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VOA科学技术2024--Scientists Recreate Head of Largest Ancient Bug

时间：2025-01-09 02:07:46

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（单词翻译）

The largest bug to ever live was about 2.6 meters long and had many legs. However, the look and shape of its head remained a mystery until now.

The fossils of these creatures are often headless shells. When bugs drop their shells, a process called shedding, they move out of the head opening, leaving behind their exoskeleton but very little of the head.

Recently, scientists solved that mystery by re-creating the creature's head. They were able to do this after studying complete and well-kept fossils of younger bugs. The researchers published the new findings on October 10 in Science Advances.

What did the heads look like?

The huge bug's head was round with two short bell-shaped antennae. It had two eyes that stuck out like crab's eyes. Its mouth was fairly small and made for eating leaves and the outer covering of trees.

Its name is Arthropleura. This bug belonged to a group of crabs, spiders and insects called arthropods. But the bug was much, much bigger. It could grow as big as 2.6 meters and weigh as much as 50 kilograms.

The co-writer of the study is Mickael Lheritier. He is a paleobiologist at the University Claude Bernard Lyon in Villeurbanne, France. He said, "We discovered that it had the body of a millipede, but head of a centipede."

This large Arthropleura may have been the biggest bug to ever live. Although, not all scientists agree. Some say Arthropleura may be a close second to an extinct giant sea scorpion.

Researchers in Europe and North America have been collecting pieces and footprints of the huge bugs since the late 1800s.

"We have been wanting to see what the head of this animal looked like for a really long time," said James Lamsdell. He is a paleobiologist at West Virginia University and was not involved in the study.

To produce a model of the head, researchers first used CT scans to study full-body fossils of younger bugs. These fossils were found in a French coal field in the 1980s.

This method permitted researchers to look closely for "hidden details like bits of the head" still in the rock without hurting the fossil, Lamsdell said.

The fossils are easily broken. He added that when you dig in the rock to remove the fossil, you do not know what part of the fossil "may have been lost or damaged."

The fossils of younger bugs only measured about 6 centimeters. And it is possible they were a kind of Arthropleura that did not grow to a really large size.

But still, researchers said they are close enough to the huge Arthropleura to provide a picture of what adults looked like when they were alive 300 million years ago.

Words in This Story

fossil -n. a trace or print or the remains of a plant or animal of a past age preserved in earth or rock

exoskeleton -n. a hard supporting or protective structure (as of an insect, spider, or crustacean) on the outside of the body

antenna -n. one of a pair of slender movable organs of sensation on the head of an arthropod (as an insect or a crab) that are made up of segments

paleobiologist -n. a branch of paleontology concerned with the biology of fossil organisms

extinct -adj. no longer existing

CT scan -n. cross-sectional, three-dimensional image of an internal body part produced by computed tomography chiefly for diagnostic purposes

bit -n. a small piece or amount


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0 able 2ISy5     
adj.能...的，有才能的，能干的，能够的
参考例句：
  • How good and able he is!瞧他多能干啊！
  • He is able to do this job well.他有能力做好这件工作。
0 added mzJzm0     
adj.更多的，附加的，额外的
参考例句：
  • They have added a new scene at the beginning.在开头他们又增加了一场戏。
  • The pop music added to our enjoyment of the film.片中的流行音乐使我们对这部电影更加喜爱。
0 adults 0e18c75349f370277c4f7d767609163c     
n.成年的人或动物( adult的名词复数 )
参考例句：
  • Adults are often immune to German measles. 成人往往对风疹有免疫力。
  • Many Chinese adults dress their children in brilliant orange, red and pink. 很多中国的成人给他们的孩子穿鲜艳的橘黄色、红色和粉色的衣服。 来自《简明英汉词典》
0 advances 63c48fee1ce172fe703005f5f15c8d91     
接近，友好的表示，求爱； 增长( advance的名词复数 )； 借款； （价格、价值的）上涨
参考例句：
  • Mary rejected Tony's amorous advances. 玛丽拒绝了托尼的挑逗。
  • advances in modern medicine 现代医学的发展
0 ago LKGyH     
adv./adj.以前（的），以往（的）
参考例句：
  • Where were you two years ago?两年前你在哪里？
  • Sheila was here a moment ago.不久以前希拉还在这里。
0 agree DKSyI     
vi.同意，赞成，承认，适合；vt.同意
参考例句：
  • I totally agree with you.我完全同意你的看法。
  • They could not agree about who should do the work.对于谁该做这项工作，他们意见不一致。
0 alive fLDyx     
adj.活着的
参考例句：
  • Was the lion alive or dead?这只狮子是死或活？
  • He is still alive.他仍然活着。
0 although 2Liyg     
conj（=though）虽然，即使，纵然，尽管
参考例句：
  • Although my car is very old,It'still runs very well.我的汽车虽然很旧，但仍然跑得很快。
  • Although he worked hard,he failed in the exam.虽然他很努力，但他考试没有及格。
0 America KzczCY     
n.美国，美洲
参考例句：
  • These stamps are from America.这一些邮票来自美国。
  • As a child,he lived in America.他小时候住在美国。
0 animal HMPyw     
n.动物，兽，畜生
参考例句：
  • Whale is the biggest animal.鲸是最大的动物。
  • The cat is an animal.猫是一种动物。
0 antenna QwTzN     
n.触角，触须；天线
参考例句：
  • The workman fixed the antenna to the roof of the house.工人把天线固定在房顶上。
  • In our village, there is an antenna on every roof for receiving TV signals.在我们村里，每家房顶上都有天线接收电视信号。
0 antennae lMdyk     
n.天线；触角
参考例句：
  • Sometimes a creature uses a pair of antennae to swim.有时某些动物使用其一对触须来游泳。
  • Cuba's government said that Cubans found watching American television on clandestine antennae would face three years in jail.古巴政府说那些用秘密天线收看美国电视的古巴人将面临三年监禁。
0 as pNiyL     
conj.按照；如同
参考例句：
  • He got work in a hotel as a waiter.他在一家旅馆找到了当服务生的工作。
  • In the hotel,the old men were drinking away as usual.在旅馆里，这些老人和往常一样喝个不停。
0 belonged d2ea5ba23ccfca9f79b34bcd2b130d74     
v.属于( belong的过去式和过去分词 )；是…的成员；应被放在；适应
参考例句：
  • Politically, they belonged to the conservative party and opposed reform. 在政治上，他们是保守派，反对改革。 来自《简明英汉词典》
  • They belonged to a younger genration. 他们属于年轻的一代。 来自《现代英汉综合大词典》
0 biology yRkyu     
n.生物学
参考例句：
  • Biology is the study of living things.生物学是对生物的研究。
  • She has a degree in biology.她具有生物学的学位。
0 bit VRGyo     
n.一点儿，少量；钻头；马嚼子；辅币，位，比特(二进位制信息单位)；v.控制
参考例句：
  • I'm just going out for a bit.我正打算出去一会儿。
  • When did you change the bit?什么时候换的钻头？
0 bits bits     
n.（马）嚼子( bit的名词复数 )；少量；12。5 分；小量
参考例句：
  • The strong wind hurled down bits of the roof. 大风把屋顶的瓦片刮了下来。 来自《简明英汉词典》
  • His shoes were tied on with old bits of string. 他的鞋子是用几段旧带子系的。 来自《简明英汉词典》
0 body mRhy2     
n.身体，躯体；车身，船身；正文，主要部分
参考例句：
  • The young man has a strong body.这个年轻人有一副强壮的身体。
  • We'd better take good care of ourselves to have a healthy body.我们还是照顾好自己，保持身体健康的好。
0 branch BRkyX     
n.分支，树枝；vt/vi.分支，分岔
参考例句：
  • The bird settles on a branch.鸟儿栖息在枝上。
  • The olive branch stands for peace.橄榄枝象征着和平。
0 broken 6xZz4B     
adj.坏掉的，患病的，被制服的，断掉的；vbl.break的过去分词
参考例句：
  • He is mending a broken cup.他在修补破杯子。
  • Something was broken in my engine.我的发动机里有个东西损坏了。
0 bug 5skzf     
n.虫子；故障；窃听器；vt.纠缠；装窃听器
参考例句：
  • There is a bug in the system.系统出了故障。
  • The bird caught a bug on the fly.那鸟在飞行中捉住了一只昆虫。
0 bugs e3255bae220613022d67e26d2e4fa689     
adj.疯狂的，发疯的n.窃听器( bug的名词复数 )；病菌；虫子；[计算机]（制作软件程序所产生的意料不到的）错误
参考例句：
  • All programs have bugs and need endless refinement. 所有的程序都有漏洞，都需要不断改进。 来自《简明英汉词典》
  • The sacks of rice were swarming with bugs. 一袋袋的米里长满了虫子。 来自《简明英汉词典》
0 called 4f33252742282f871b0617168156fd55     
v.叫( call的过去式和过去分词 )；通电话；认为；估计
参考例句：
  • She sensed something was amiss and called the police. 她觉得有点不对头，就叫了警察。
  • I called several times, but only got the answering machine. 我打了几次电话，但只有电话答录机答话。
0 centimeters e6ec92b31369caeccb14cdf8116fc589     
n.厘米( centimeter的名词复数 )
参考例句：
  • The clearance between the two cars was only ten centimeters. 两辆汽车间的距离只有10公分。 来自《简明英汉词典》
  • This ruler has only one scale in centimeters. 这把尺只有厘米刻度。 来自《简明英汉词典》
0 closely XwNzIh     
adv.紧密地；严密地，密切地
参考例句：
  • We shall follow closely the development of the situation.我们将密切注意形势的发展。
  • The two companies are closely tied up with each other.这两家公司之间有密切联系。
0 coal PWjyk     
n.煤，煤块
参考例句：
  • There is plenty of coal in this area.这个地区有丰富的煤。
  • Put some more coal on the fire.再往火里加点煤。
0 collecting daea1b35e5f1ba09fcd43cbba71e2d11     
v.收集( collect的现在分词 )；收到；收藏；聚积
参考例句：
  • a barrel for collecting rainwater 接雨水的桶
  • They are collecting this material at the points of origin. 他们正在产地收集这种材料。 来自《简明英汉词典》
0 complete sXLy1     
adj.彻底的，完整的，已完成的；v.完成，使完整
参考例句：
  • They help him complete his work.他们帮助他完成工作。
  • Please complete the following information.请您完整填写以下信息。
0 computed 5a317d3dd3f7a2f675975a6d0c11c629     
adj.[医]计算的，使用计算机的v.计算，估算( compute的过去式和过去分词 )
参考例句：
  • He computed that the project would take seven years to complete. 他估计这项计划要花七年才能完成。 来自《简明英汉词典》
  • Resolving kernels and standard errors can also be computed for each block. 还可以计算每个块体的分辨核和标准误差。 来自辞典例句
0 concerned uv4zwS     
adj.有关（方面），被牵连的；担心的，烦恼的；关心政治的，关心社会的vt.涉及；关心；参与，卷入；使担忧vi.有关，利害关系；顾虑；装置
参考例句：
  • We are chiefly concerned with improving educational standards. 我们主要关心的是提高教育水平。
  • Concerned parents held a meeting. 忧心忡忡的家长们开了一次会。
0 could lzvxe     
v.能，可能(can的过去式)；aux.v.(can的过去式)能；可以
参考例句：
  • Could I open the window?我可以打开窗子吗？
  • I could wait ten minutes.我可以等十分钟。
0 covering nzKx3     
n.掩蔽物，遮盖物v.覆盖( cover的现在分词)
参考例句：
  • a thick covering of snow on the ground 地上厚厚的一层积雪
  • We gave him covering fire as he dashed across the clearing. 我们用火掩护他冲过空地。 来自《简明英汉词典》
0 crabs a26cc3db05581d7cfc36d59943c77523     
n.蟹( crab的名词复数 )；阴虱寄生病；蟹肉v.捕蟹( crab的第三人称单数 )
参考例句：
  • As we walked along the seashore we saw lots of tiny crabs. 我们在海岸上散步时看到很多小蟹。 来自《简明英汉词典》
  • The fish and crabs scavenge for decaying tissue. 鱼和蟹搜寻腐烂的组织为食。 来自《简明英汉词典》
0 creatures f9c1d2a06a6defe56386ae930f3827e3     
n.生物，动物( creature的名词复数 )；人
参考例句：
  • creatures existent in nature 自然界中现存的生物
  • Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。 来自《现代英汉综合大词典》
0 damaged uvMzR1     
a.已损伤的；毁坏的
参考例句：
  • The illness damaged his Action Man image. 这场病损害了他那爱打拼的形象。
  • Five shops were damaged in a firebomb blitz. 在一次燃烧弹袭击中有五家店铺被烧毁。
0 details 27792947ed5d5da7c0d1f43327ed9dab     
n.详细资料；详述( detail的名词复数 )；（照片、绘画等的）细部；细目；各种细节
参考例句：
  • The spokesman refused to disclose details of the takeover to the press. 发言人拒绝向新闻界透露公司收购的详细情况。
  • Details of his criminal activities were expunged from the file. 他犯罪活动的详细情况已从档案中删去。
0 did SvwxP     
v.动词do的过去式
参考例句：
  • How many goals did you score in the last game?上一场比赛你们进了几个球？
  • Why did you choose basketball in the first place?你为何首先选择篮球呢？
0 dig CvCxX     
v.挖（洞，沟等）；掘
参考例句：
  • It is difficult to dig the ground when it is frozen.地面冻住了就不易挖掘。
  • In those days we often went to dig for wild vegetables.那时候我们常常出去挖野菜。
0 discovered 538416cf3bc59332670af4cae9485ebe     
v.发现( discover的过去式和过去分词 )；碰见；撞见；了解到
参考例句：
  • Marine life was discovered at depths previously thought to be azoic. 在先前被认为没有任何生命迹象的海洋深处发现了海洋生物。
  • They were discovered together in a compromising situation . 他们被人发现在一起，场面有伤风化。
0 drop 3rJxl     
v.掉下；落下；n.滴；水滴
参考例句：
  • There's not a drop left.一滴也不剩。
  • Don't drop your chopsticks.不要让筷子掉到地上。
0 earth ar7xL     
n.陆地；大地；地球
参考例句：
  • The earth moves round the sun.地球绕着太阳转。
  • Spring returns to the earth.大地回春。
0 easily RrTxN     
adv.容易地，轻易地，顺利地
参考例句：
  • Money that is easily come by is often easily spent.钱来得容易往往也花得容易。
  • Let's not take the car,we can easily walk over. 我们不用坐车，走着去很方便。
0 enough 2osxz     
adj.足够的；adv.足够地，完全地；pron.足够，受够
参考例句：
  • There are enough eggs in the kitchen.厨房有足够的鸡蛋。
  • One kilo will be enough.一公斤就够了。
0 Europe CtKz9J     
n.欧洲
参考例句：
  • Have you traveled in Europe?你到欧洲旅行过吗？
  • We're planning to visit Europe this summer.我们正打算今年夏天去欧洲旅行。
0 ever ZijzR     
adv.曾经；永远；不断地；在任何时候；究竟
参考例句：
  • Have you ever been to hangzhou?你曾经去过杭州吗？
  • I will be young and strong and beautiful for ever.我将永远年轻、强壮，永远漂亮。
0 existing It0z4C     
adj.目前的；现存的v.存在( exist的现在分词)；持续存在
参考例句：
  • The new system will be compatible with existing equipment. 新的系统将与现有的设备相互兼容。
  • New laws will soon replace existing legislation. 新法律即将取代现行法规。
0 extinct CPAzO     
adj.灭绝的，不再活跃的，熄灭了的，已废弃的
参考例句：
  • All hopes were extinct.所有希望都破灭了。
  • Dinosaurs have been extinct for millions of years.恐龙绝种已有几百万年了。
0 fairly tlEx6     
adv.公正地，正当地；相当；完全，简直
参考例句：
  • I think I was quite fairly treated by the police.我认为警察对我非常公正。
  • It fairly destroyed the machine.它将那部机器完全毁了。
0 field qksxD     
adj.野外；n.地，田地
参考例句：
  • Go into the field and clear those boys off.到田里去把那些男孩赶走。
  • He is going across the field.他正穿越田野。
0 findings 4tYzV9     
n.发现物( finding的名词复数 )；调查（或研究）的结果；（陪审团的）裁决
参考例句：
  • It behoves us to study these findings carefully. 我们理应认真研究这些发现。
  • Their findings have been widely disseminated . 他们的研究成果已经广为传播。
0 first FjMxx     
adj.第一的；adv.首先
参考例句：
  • What should I do first?我该首先做什么？
  • That is the first question.这是第一个问题。
0 footprints 5fec2467deb3a38a74a5e19ddd4b28d9     
n.（尤指软地上的）脚印( footprint的名词复数 )；（地板上的）脚印；（建筑物或设备，尤指计算机）占用的空间；（尤指来自卫星的）广播信号覆盖区
参考例句：
  • footprints in the sand 沙地足迹
  • He squatted down beside the footprints and examined them closely. 他蹲在脚印旁仔细地观察。 来自《简明英汉词典》
0 fossil ZipxA     
n.化石，食古不化的人，老顽固
参考例句：
  • At this distance of time it is difficult to date the fossil.时间隔得这么久了，很难确定这化石的年代。
  • The man is a fossil.那人是个老顽固。
0 fossils d5d4f38112df7c0c06bad64ca6f85f2a     
n.化石( fossil的名词复数 )；老顽固；食古不化的人；老古董（老人）
参考例句：
  • fossils over two million years old 两百多万年的化石
  • The geologist found many uncovered fossils in the valley. 在那山谷里，地质学家发现了许多裸露的化石。 来自《简明英汉词典》
0 found 8i5xD     
v.建立，创立，创办；vbl.(find的过去分词)找到
参考例句：
  • I found him at home.我发现他在家。
  • The United Nations was found in 1945.联合国于1945年成立。
0 France DsTzdU     
n.法国，法兰西
参考例句：
  • Paris is the capital of France.巴黎是法国的首都。
  • He left for France yesterday.他昨天动身去法国。
0 French EiLxQ     
adj.法国(人)的，法语的；n.法语；vt.剁肉，蔬菜切成长条
参考例句：
  • She reads French quite well,but doesn't speak it.她法语的阅读能力相当强，但不会讲。
  • The only French city she enjoyed was Paris.巴黎是她惟一喜欢的法国城市。
0 giant ggpxE     
adj.庞大的，巨大的；n.巨人，大力士，巨大的怪物
参考例句：
  • The whale is the giant of the sea.鲸鱼是海洋中的巨人。
  • It is a giant egg.它是一只巨大的蛋。
0 group 2f1xY     
n.小组，这里指演出流行一组演员
参考例句：
  • Have you joined the computer group?你加入电脑小组了吗？
  • Who is the head of your group?谁是你们组的头?
0 grow lyqyr     
v.生长，成长；渐渐变成；栽培，种植；发展
参考例句：
  • Plants can not grow without air.植物没有空气不能生长。
  • She had watched me grow from childhood.她是看我长大的。
0 had FeBxb     
vbl.have的过去式和过去分词；conj.有
参考例句：
  • I just had a good idea!我有个好主意！
  • The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。
0 hard BeDxI     
adv.努力地；adj.硬的；困难的
参考例句：
  • The work is much too hard.这工作太难了。
  • She works hard at school.她在学校努力学习。
0 hidden VrnzKc     
hide的过去分词
参考例句：
  • Our trips are all-inclusive—there are no hidden costs. 我们的旅行费用全包—没有任何隐含性费用。
  • There are fears of a hidden agenda behind this new proposal. 人们担心这一新提议的背后有不可告人的目的。
0 however 5c2xL     
adv.然而；conj.然而，可是，不过
参考例句：
  • It's raining hard.However,I still want to go there.虽然下着大雨，我还是想去那儿。
  • However, this does not always happen.然而，这种情况并不总是发生。
0 huge jcAxN     
adj.巨大的，庞大的
参考例句：
  • He gave me a huge apple.他给了我一个大苹果。
  • His acting raised a huge laugh.他的表演引起一阵大笑。
0 hurting a7ea886ca6dcfc44c7c227ce77d1988d     
v.弄痛( hurt的现在分词 )；使受伤；使伤心；使受皮肉之苦
参考例句：
  • How can I atone for hurting your feelings? 我伤害了你的感情，该怎样来弥补我的过错呢？ 来自《现代英汉综合大词典》
  • He squeezed very hard, hurting her and making her beg for mercy. “你胖得像肥猪，”他以厌恶的语气说。 来自教父部分
0 image walxs     
n.图象；肖像；形象
参考例句：
  • How can we improve our public image?我们怎样才能改善公众形象？
  • Honesty is the best image.诚实是最好的形象。
0 insect KbLzG     
n.昆虫，卑鄙的人
参考例句：
  • You put the insect in a box.你把这个虫子放进盒子里。
  • He put the insect on his hand.他把虫子放在手上.
0 insects kqPzC0     
n.昆虫( insect的名词复数 )；虫类
参考例句：
  • She has an illogical fear of insects. 她毫无道理地害怕昆虫。
  • The insects were examined under magnification. 这些昆虫是放大后加以观察的。
0 internal x5vxK     
adj.内的，内部的；国内的，内政的
参考例句：
  • He is talking to Tom on the internal telephone.他正在内线电话上与汤姆交谈。
  • We do not intend to be drawn into the internal strife.我们不想卷入内乱之中。
0 involved Vq5zND     
a.复杂的，有密切关系的
参考例句：
  • a detailed assessment of the risks involved 对涉及风险的详细评估
  • students involved in all forms of college athletics 参加各种大学体育运动的学生
0 kilograms d7334fe36f9adb03e1f30ff1f4ef1832     
n.千克( kilogram的名词复数 )
参考例句：
  • 2 kilograms of rice 2公斤大米
  • Every tonne of coal contains,on average,30 kilograms of nitrogen. 每吨煤平均含30公斤氮。 来自《简明英汉词典》
0 large W2JxL     
adj.大的，大量的，宽大的
参考例句：
  • How large is this room?这个房间有多大？
  • How large is your house?你家住房多大？
0 largest Opcz1k     
adj.大的，多量的；大的( large的最高级 )；大规模的；众多的；（服装、食物、日用品等）大型号的
参考例句：
  • the largest computer company in the world 全球最大的计算机公司
  • The largest contingent was from the United States. 最大的会议代表团来自美国。
0 late GxFyK     
adj.迟的，晚的；已故的；adv.很晚，很迟，晚
参考例句：
  • Why are you so late?你为什么这样晚呢？
  • I'm a little late.我有点迟了。
0 leaves b1xxm     
n.树叶，花瓣； leaf 的复数； leave 的单数第三人称现在式
参考例句：
  • The walk was covered with leaves.这人行道上满是树叶。
  • Will you check on the time the train leaves?请你核对一下火车开出的时间好吗？
0 leaving IpjzFv     
n.离开v.离开( leave的现在分词 )；遗弃；忘了带；交托
参考例句：
  • He had ripped up the carpet, leaving only the bare boards. 他用力扯去了地毯，只剩下裸露的地板。
  • She felt no compunction about leaving her job. 她对自己的辞职一点儿也不感到懊悔。
0 legs 86acdeeaa47a154a6c389199327bb5b9     
n.木头支架；腿( leg的名词复数 )；（与同一对手进行的比赛中的）一场；裤腿；腿肉
参考例句：
  • He had to have both legs amputated. 他不得不锯掉双腿。
  • The horse reared up on its hind legs. 那匹马后腿前立，站了起来。
0 live B0jx4     
v.住，居住；生活
参考例句：
  • I live in the north of China.我居住在中国北部。
  • We can not live without water.我们没有水不能生存。
0 long M01xN     
adj.长的
参考例句：
  • Summer is the season of long days.夏天是日长的季节。
  • Winter is the season of long nights.冬季是夜长的季节。
0 longer 67c35b0654107413e3a1dcbafa96a45c     
adj.比较久的；（距离，长度）长的( long的比较级 )；长时间的；（因忙或不愉快等）似乎比实际时间长的；长音的
参考例句：
  • Mars takes longer to revolve on its axis than the earth. 火星自转一周的时间比地球长。
  • I'll go bonkers if I have to wait any longer. 如果再等下去，我非发疯不可。
0 lost 10pxZ     
v.遗失；adj.失去的，丧失的，错过的；迷惑的；不为人知的；vbl.lose的过去式和过去分词
参考例句：
  • The key you lost has turned up.你遗失的钥匙已经找到了。
  • Lost happiness is never regained.逝去的幸福永不再回。
0 made hAgx2     
v.make的过去式和过去分词
参考例句：
  • They were not made in china.它们不是中国制造的。
  • The monkey made a long arm for the peach.猴子伸臂去摘桃子。
0 measured 3odzBp     
adj.仔细斟酌的，慎重的；缓慢而又有节奏的v.量( measure的过去式和过去分词 )；测量；衡量；量出
参考例句：
  • The storm measured 10 on the Beaufort scale . 这次风暴按蒲福风级测量为10级。
  • He delivered his words in slow, measured cadences. 他讲话缓慢而抑扬顿挫、把握有度。
0 meters 07d9e3aefc4093a49121c91ef65e708b     
n.米( meter的名词复数 )；计；表；（用于测量电、煤气、水等，以及时间和距离的）计量器
参考例句：
  • These cars are put at intervals of three meters. 这些车每隔三米放一辆。 来自《简明英汉词典》
  • The plane was flying at an altitude of 2000 meters. 这时飞机的高度是2000公尺。 来自《简明英汉词典》
0 method 170zF     
n.方法，办法；类函数，类成员函数(计算机)
参考例句：
  • He introduced us to a new method of work.他向我们介绍了一种新的工作方法。
  • Use method rather than luck.按条理办事，不要凭运气。
0 million D7QzO     
num.百万，100万；n.无数，大众
参考例句：
  • I've seen it a million times.我在书上看过无数遍了。
  • What will you do if you had a million dollars?如果你有一百万美元，你会干什么？
0 model JEGxs     
n.模型，模范，模特儿；adj.模范的，作模型用的；v.做模型，塑造，模仿
参考例句：
  • He likes making model planes.他喜欢做模型飞机。
  • You could be a model.你是能成模特啊。
0 mouth BFZxs     
n.嘴；口
参考例句：
  • Put one finger in the mouth.把一个手指放入口内。
  • Keep your mouth shut and your eyes open.要多看少说。
0 move 5Fpxr     
vt.移动；感动；vi.移动；运行；n.走棋；步骤
参考例句：
  • I move the mouse by hand.我用手移动鼠标。
  • Would you help me move the table?你能帮忙我移一下桌子吗？
0 mystery YwzyR     
n.神秘，奥秘，秘密，玄妙，不可思议的事
参考例句：
  • He often tells stories full of mystery.他常讲些充满神秘色彩的故事。
  • The mystery was never solved.这个奥秘始终未得到解释。
0 north wHSxf     
n./adj.北；北方（的）
参考例句：
  • I'm from the north of China.我来自中国的北方。
  • Canada lies to the north of the United States.加拿大在美国的北面。
0 October 0ITxj     
n.十月
参考例句：
  • I will return in October.我十月份会回来。
  • I'll be free after October.十月以后我将空闲。
0 only bIzxE     
adv.仅仅，只不过；adj.唯一的；conj.可是，不过
参考例句：
  • We have only one earth.我们只有一个地球。
  • I only found it by accident.我只是碰巧找到的。
0 opening Umwzkg     
n.开始，口，穴，揭幕；adj.开始的
参考例句：
  • Instead of opening the gate,we climbed over it.我们没有开门，而是从门顶上爬过去的。
  • There was an opening in the wall.墙上有个洞。
0 organisms dfef3badf2de1f4317a67a23dc17bbc8     
n.有机物( organism的名词复数 )；有机体；生物；有机体系
参考例句：
  • The organisms can be divided into discrete categories. 有机体可分为许多互不相联的种类。
  • The cell is the unit of which all living organisms are composed. 细胞是构成一切生物的单位。
0 organs a71934f2b8a4a23c91077c17afff23a9     
元件、机构
参考例句：
  • The eye is one of the most delicate organs of the body. 眼睛是人体最娇贵的器官之一。
  • the internal organs 内脏
0 outer tJIxC     
adj.外部的；外面的
参考例句：
  • The outer door was wide open but the inner one was locked.外面的门大开着而里面的门锁着。
  • The outer walls of the house were made of brick.这座房子的外墙是砖的。
0 outside JJ0xK     
adv.外面的，在外部的，外表，外界；n.外面，外表，外界；adj.外面的，外表的，外界的
参考例句：
  • We stood outside the shop.我们站在商店外面。
  • The children are playing outside.孩子们在外面玩儿呢。
0 pair xKMx2     
n.一对，一双
参考例句：
  • He wears a pair of shorts.他穿着一条短裤。
  • She wears a pair of pretty ear rings.她戴着一副漂亮的耳环。
0 part m45zX     
n.部份，零件；角色，部位；vt.分开，分离，分配；vi.分离，离开；adv.部份地；adj.分离的
参考例句：
  • This is the broken part.这就是损坏的部件。
  • Which part do you play?你演哪一个角色？
0 past 1Loxa     
n.过去，昔时，往事，早年经历，过去时；adj.过去的，结束的，卸任的，过去时的；prep.越过，晚于，超越，超出...的可能性（能力、范围等）；pass的过去分词
参考例句：
  • We walked past the hospital.我们从医院旁边经过。
  • The past is past.Let us look ahead.过去的事已成过去。让我们向前看吧。
0 permitted dc103d75e269b8c2bb112e8a59761bcf     
允许( permit的过去式和过去分词 )； 许可； 许用
参考例句：
  • Radios are not permitted in the library. 图书馆内不许使用收音机。
  • Entrance is permitted only on production of a ticket. 出示门票才可进入。
0 pieces 6b7e900d1449ef960e49d909ed27f249     
n.（尤指一套中的）一件( piece的名词复数 )；片；条；部分v.凑合( piece的第三人称单数 )；凑成；修补；组合资料（以便了解情况）
参考例句：
  • Cut the meat into bite-sized pieces. 把肉切成小块。
  • pieces of broken glass 破玻璃碎片
0 plant gNLxZ     
n.植物；v.种植；n.工厂
参考例句：
  • We plant many trees every year.我们每年种植许多树。
  • What do you think of our plant?您认为我们工厂如何？
0 possible NP7xv     
adj.可能的
参考例句：
  • It is possible to go to the moon now.现在有可能登上月球。
  • They got the work over as quickly as possible.他们尽快地结束了工作。
0 preserved preserved     
adj.保存的, 蜜饯的, 腌制的 动词preserve的过去式和过去分词
参考例句：
  • Their music has been preserved for posterity . 他们的音乐已为后世保存起来。
  • Sardines can be eaten fresh but are often preserved in tins. 沙丁鱼可以吃新鲜的，但常常是装听的。
0 print 5Qkx0     
v.印；印刷；出版；n.印痕；印刷；印刷字体
参考例句：
  • This book has clear print.这本书印刷字体很清晰。
  • Will you print in the missing names for me?你能替我把那些漏掉的名字添上吗？
0 process mQZxL     
n.程序，进行，过程；vt.加工，处理，对…处置，对…起诉；adj.经加工的，三色版的
参考例句：
  • The bridge is in the process of being built.大桥正在建设中。
  • We will process your order at once.我们立刻处理您的订单。
0 produce kQkxQ     
n.产品，农作物；vt.生产，提出，引起，分娩，制片；vi.生产，制造
参考例句：
  • We expect writers to produce more and better works.我们期望作家们写出更多更好的作品。
  • The company markets its new produce.该公司出售它的新产品。
0 produced 1kRzuH     
adj.（叶子等）畸形伸长的，引长的v.生产( produce的过去式和过去分词 )；产生；制作；创作
参考例句：
  • a report produced by the government in cooperation with the chemical industry 政府与化工行业合作提出的一份报告
  • The performance produced much mirth among the audience. 这场演出使观众笑声不断。
0 protective qRWxE     
adj.防护的，保护的
参考例句：
  • A mother naturally feels protective towards her children.做母亲的天生要保护自己的孩子。
  • We feel safe with a protective device in the house.我们因为家里有了防护装置而感到安全。
0 provide Etbyf     
vi.供给，提供；vt.提供；规定；准备
参考例句：
  • He had to provide for five children.他要供养五个孩子。
  • They would not provide any details.他们不愿提供任何细节。
0 published 8f888fedf6bd5ff7c93c6d76bb8dc21c     
v.出版( publish的过去式和过去分词 )；（在互联网上）发表；公布；在报刊)发表
参考例句：
  • The findings of the commission will be published today. 委员会的调查结果将于今天公布。
  • His diary was not published during his lifetime. 他的日记在他生前未曾发表过。
0 purposes bff9a026ac7840342f7a297fcdcd94db     
n.意志( purpose的名词复数 )；目的；作用；（进行中的）行动
参考例句：
  • I think we're talking at cross purposes; that's not what I meant at all. 我想我们是说到两下里去了，我根本不是那个意思。
  • They took a plaster cast of the teeth for identification purposes. 他们做了这副牙的石膏模型作鉴别之用。
0 really 9TqxT     
adv.真正地，实际上，实际上；很；实，其实
参考例句：
  • I really have to go.我确实得走了。
  • He's really a paper tiger.他实际上只是一个纸老虎。
0 recently kkvzIc     
adv.近来，最近
参考例句：
  • The book was published as recently as last week.这本书上周刚出版。
  • The weather has been very snowy recently.近来天气多雪。
0 remained bd5fe28fe00e6dc5a8156604f3d6e66b     
v.留下( remain的过去式和过去分词 )；保持；留待；仍然是
参考例句：
  • She remained quiet and controlled. 她沉默不语保持克制。
  • She remained dry-eyed throughout the trial. 整个审讯过程中她没掉一滴眼泪。
0 remains 1kMzTy     
n.剩余物，残留物；遗体，遗迹
参考例句：
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
0 remove pVSxC     
n.阶级，升级，移动，搬家，距离；vt.移动，调动，除去，迁移，开除，移交；vi. 迁移
参考例句：
  • We are going to remove into a new house.我们将要搬到一座新房子里去。
  • They have decided to remove to a warm climate.他们已决定搬到一个气候温暖的地方居住。
0 rock fC4zp     
n.岩石，岩礁，巨石；v.摇摆，摇动
参考例句：
  • But the rock is moving!可是这块岩石正在移动！
  • Don't rock the boat or it will capsize!不要摇晃小船，否则它会翻的。
0 round 0XRxK     
adv.周围；adj.圆的；球形的
参考例句：
  • The earth is round.地球是圆的。
  • That boy has a round face.那个男孩有一张圆圆的脸。
0 said IYtxh     
v.动词say的过去式、过去分词
参考例句：
  • He said to me that he could not come.他对我说他不能来。
  • He said to his mother that he would do it by himself.他对他的母亲说他将自己独立做那件事。
0 scan FZ1xu     
n.审视，浏览，扫描，押韵，细查；vt.细看，浏览，扫描，详细调查，信件扫描（指BBS处理直递邮件或会议邮件时，对所有或特定信区做检查的动作）
参考例句：
  • The first scan was bad, so I had to do it again.第一次扫描不好，所以我得重做。
  • A scan determines the position of the baby in the womb.扫描可以确定胎儿在子宮中的位置。
0 scans 68bbe47a14d3445ed1278c497c690173     
n.浏览( scan的名词复数 )；审视；（雷达）（屏面上的）光点v.扫描( scan的第三人称单数 )；细看；细查；（雷达）对…进行扫描
参考例句：
  • This apparatus scans patients' brains for tumours. 这台仪器扫描检查病人的脑瘤。 来自《简明英汉词典》
  • Brain scans have confirmed that the disease is in remission. 脑部扫描已经证实疾病得到了控制。 来自辞典例句
0 science 1Zkxe     
n.科学，学科，学问，自然科学；
参考例句：
  • Mathematics is the language of science.数学是科学的语言。
  • Is she your science teacher?她是你们的自然科学老师吗？
0 scientists 0d40887127bee8f7731f5c4f95eb5331     
n.科学家( scientist的名词复数 )
参考例句：
  • Scientists have established a connection between cholesterol levels and heart disease. 科学家已证实胆固醇含量与心脏病之间有关联。
  • Scientists disagree about how the universe was created. 科学家对宇宙是怎样形成的有分歧。
0 scorpion pD7zk     
n.蝎子，心黑的人，蝎子鞭
参考例句：
  • The scorpion has a sting that can be deadly.蝎子有可以致命的螫针。
  • The scorpion has a sting that can be deadly.蝎子有可以致命的螫针。
0 second qZTxG     
num.第二；adj.第二的；别的；n.第二；秒；片刻
参考例句：
  • Who was second in the high jump?跳高比赛第二名是谁？
  • This is the second type.这是第二种。
0 segments 1f982d988d45344bf00cd08220780a1e     
部分( segment的名词复数 )； 瓣； [计算机]（字符等的）分段； [动物学]节片
参考例句：
  • He is eating oranges in segments. 他正在一瓣瓣地吃橘子。
  • Gene cloning provides a means of purifying and propagating specific DNA segments. 基因克隆化提供了一种纯化和扩增特定DNA片段的方法。
0 sensation hzCwi     
n.感觉，感知力，激动，轰动
参考例句：
  • He lost all sensation in his legs through cramp.他的腿部因抽筋而失去知觉。
  • Seeing him again after so many years was a strange sensation.那么多年以后又见到他，是一种不可思议的感觉。
0 shape HzBwT     
n.形状，形式，定形，身材；vt.定形，使...成形，塑造
参考例句：
  • What shape can you see?你能看到什么形状？
  • All circles have the same shape.所有的圆形状都一样。
0 shedding c694aed05c6a8087e552a444b74f3156     
n.脱落，蜕落v.流出( shed的现在分词 )；流下；蜕皮；树叶脱落
参考例句：
  • The factory is shedding a large number of jobs. 这家工厂正大批裁员。
  • The trees began shedding their leaves. 树木开始落叶。 来自《现代英汉综合大词典》
0 shells 6cada1b5279cf64ec485c08de4d14f53     
n.（贝、卵、坚果等的）壳( shell的名词复数 )；外壳；炮弹；（人的）表面性格
参考例句：
  • We collected shells on the beach. 我们在海滩拾贝壳。
  • But at last the shells cracked, one after another. 最后，蛋壳一个接着一个地裂开了。 来自《简明英汉词典》
0 short ryJwh     
adj.短的；矮的
参考例句：
  • She's short and fat!她又矮又肥！
  • I love to write short stories.我爱写短小的故事。
0 since syswX     
adv.后来；conj.既然，因为，自从；prep.自从
参考例句：
  • He's been working in a bank since leaving school.自从毕业后，他就一直在一家银行工作。
  • I have known him ever since I was a child.我自孩提时代起就已经认识他了。
0 size OxQwp     
n.尺寸，大小；v.按大小排列或分类
参考例句：
  • I think I can find the right size for you.我想我能给你找到合适的尺码。
  • This room is twice the size of that one.这间屋子有那间两个大。
0 slender 8EYzJ     
adj.苗条的，修长的；微薄的，微弱的
参考例句：
  • Everybody of us admired her slender figure.我们人人都羡慕她的苗条身材。
  • The girl was pretty and slender.那姑娘长得美丽苗条。
0 solved ac6f263f90369bef9b31137c03c77c09     
v.解决( solve的过去式和过去分词 )；解答；解释；揭示
参考例句：
  • It is becoming increasingly clear that this problem will not be easily solved. 越来越明显的是，这个问题不会轻易解决。
  • She soon heard from her sister how the problem had been solved. 她很快从她姐姐那里了解到问题是如何解决的。 来自《简明英汉词典》
0 spider 0vzw3     
n.蜘蛛；三角架
参考例句：
  • Look at the picture of the spider.看看这些蜘蛛的照片。
  • How many legs does a spider have?蜘蛛有多少条腿呢？
0 spiders 38b419c8b8654e3228bff59da1fb823f     
n.蜘蛛( spider的名词复数 )
参考例句：
  • to be terrified of spiders 惧怕蜘蛛
  • She's got a thing about spiders. 她特别讨厌蜘蛛。 来自《简明英汉词典》
0 still CuMwK     
adj.静止的，寂静的；adv.还，仍然；更；安静地
参考例句：
  • I'm still not interested.我还是不感兴趣。
  • I still remember his face.我仍然记得他的面容。
0 structure PtNw5     
n.结构，构造，建筑物；v.构成；
参考例句：
  • Doctors study the structure of the human body.医生研究人体构造。
  • A flower has quite a complicated structure.一朵花的结构相当复杂。
0 stuck khAzD1     
v.刺(stick 的过去式及过去分词)adj.动不了的；被卡住的；被…缠住的；被…难住的，不知所措
参考例句：
  • The car wheels got stuck in the mud. 汽车轮子陷到泥里去了。
  • I gave up my job because I felt I was stuck in a rut . 我放弃了我的工作，因为我觉得那种生活呆板无聊。
0 study htIw1     
vt.学习；研究；细看；vi.读书；n.学习；研究
参考例句：
  • He helps me study English.他帮助我学习英语。
  • His wish to study music has come true.他学习音乐的愿望实现了。
0 studying 8275386616d84ff418cffa9a6d08b6cb     
v.学习，研究( study的现在分词 )；想出；详细地检查；背诵（台词等）
参考例句：
  • She's studying for her doctorate. 她正在攻读博士学位。
  • I was too much of a good-time girl to do any serious studying. 我过去是个很贪玩的女孩，从来不知道认真学习。
0 supporting sh6zUM     
adj.支持的，支撑的v.支持( support的现在分词 )；帮助；支撑；维持
参考例句：
  • The movie featured Robert Lindsay in a supporting role . 罗伯特∙林赛在这部影片中担任配角。
  • He has peddled the myth that he is supporting the local population. 他散布说他支持当地群众。 来自《简明英汉词典》
0 trace sngwa     
n.痕迹，踪迹，微量；vt.追踪，找出根源，描绘；vi.追踪
参考例句：
  • There isn't a trace of a smile on her face.她脸上没有一丝笑容。
  • We have lost all trace of him.我们找不到他的踪迹。
0 university TktwV     
n.大学
参考例句：
  • She teaches English at the University of Wales.她在威尔士大学教英语。
  • I'm going to enter a university.我要上大学。
0 until cjnw3     
prep.直到...为止；conj.直到...时才...
参考例句：
  • He arrived home until midnight.他直到半夜才到家。
  • She didn't sleep until midnight.她直到半夜才睡。
0 used ajBwV     
adj.用旧了的，旧的；习惯于…；过去惯/经常
参考例句：
  • I used to work until nearly 6:00 o'clock each day.我过去常常工作到6:00左右。
  • He used to walk anywhere from two to five miles an hour.他过去经常一小时走二至五英里。
0 was bglwv     
v.(is,am的过去式)是，在
参考例句：
  • He said he was right.他说他是正确的。
  • He was cold and hungry.他又冷又饿。
0 weigh JfNyz     
vt.秤重量，衡量；重压；下锚；vi.有重量，有影响；重压；下锚
参考例句：
  • When did you weigh last?你上次什么时候称体重的？
  • Weigh this in your hand.掂掂这有多重。
0 west pgyw4     
n.西；西方
参考例句：
  • The sun was dropping toward the west.太阳正向西边落下。
  • Wales lies on the west of England.威尔士位于英格兰的西面。
0 without XfSwo     
adv.在外面；n.外面，外部；prep.无，没有
参考例句：
  • He stood there without moving.他站那儿没有动。
  • The sound comes from without.那声音从外面来。
0 words se0zHk     
n.字( word的名词复数 )；（说的）话；诺言；口令
参考例句：
  • What were his actual words? 他的原话是什么？
  • Single words are the building blocks of language. 单词是语言结构的基本单位。
0 years 75aeb98e5241592ad6a6c2c4c78a16ef     
n.年( year的名词复数 )；年纪；一年的期间；某年级的学生
参考例句：
  • She is still very active, in spite of her advancing years. 她尽管年事渐高，仍然十分活跃。
  • Travelling in Europe was something of an anticlimax after the years he'd spent in Africa. 他在非洲生活了多年，到欧洲旅行真是有点太平淡了。
0 younger xfnwQ     
adj.年轻的；n.年纪较小的人
参考例句：
  • My younger brother hides behind the door. 我弟弟躲在门后。
  • She is older than me but my other sisters are younger. 她比我大，其余都是我妹妹。

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