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由于人类活动 地球上的树木已经减少一半

时间：2016-08-26 07:04:10

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（单词翻译）

There is good and bad news1 about trees. The good news is there are seven times more than we thought2. Scientists3 thought we had4 400 billion5 trees, but we have three trillion. That's a three followed by 12 zeroes6. For each person7 alive8 today, there are 420 trees. A researcher9 said10 these numbers were not good or bad news.
 
The bad news is that we once had six trillion trees. We lost three trillion trees. Europe11 was12 once a giant13 forest14. Now it is fields15 and cities. Another 15 billion trees are lost each year. This is a lot more than 100 years ago. The researcher said we must do more to make forests16 healthy again.

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1 news OG1xE     
n.新闻，消息
参考例句：
  • No news is good news.没有消息就是好消息。
  • I like reading hot news.我喜欢读热点新闻。
2 thought 1oMwg     
n.想法，思想，思维，思潮，关心，挂念；v.vbl.think的过去式和过去分词
参考例句：
  • It was just a thought.这仅仅是一个想法。
  • She thought he had a cold.她认为他感冒了。
3 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。
4 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。
5 billion 2WIzm     
num.十亿；数以十亿计；大量；一万亿
参考例句：
  • A billion is a large number.十亿是个大数目。
  • They've spent nearly a billion dollars on it already.他们已经在那上面花了近10亿美元。
6 zeroes 4b6aaa23200320659b16c7a890f9ace8     
n.（数字）零( zero的名词复数 )；零点；零度；没有
参考例句：
  • The number one thousand is written with a one and three zeroes. 一千这个数字的写法是一个一加三个零。 来自互联网
  • Trailing zeroes in the decimal portion are discarded. 在小数部分尾数加0将被废弃。 来自互联网
7 person QMBxI     
n.人
参考例句：
  • I would never trust in that kind of person.我绝不会相信那种人。
  • She is the very person I wanted to see.她正是我要见的人。
8 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。
9 researcher KkNzX4     
n.研究员
参考例句：
  • First,he had to establish his credentials as a researcher.首先，他得证明自己做调查员的资格。
  • It was an unexpected turn for a researcher.对于一个学术研究者来说，这是一个出乎意料的转机。
10 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。
11 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。
12 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。
13 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。
14 forest zi4xk     
n.森林，园林，林火；vt.用树林覆盖，植树
参考例句：
  • A lion is the king of the forest.狮子是丛林之王。
  • I like reading in the forest.我喜欢在树林里读书。
15 fields d05b6ed7d2345020440df396d6da7f73     
n.田( field的名词复数 )；（作某种用途的）场地；（学习或研究的）领域；运动场
参考例句：
  • The only access to the farmhouse is across the fields. 去那农舍的唯一通路是穿过田野。
  • We had to make a detour around the flooded fields. 我们只得绕道避开被洪水淹没的田野。
16 forests e45ba059a62f96d16dbdf4f9357eb83a     
n.森林( forest的名词复数 )；丛林；（森林似的）一丛；一片
参考例句：
  • forests planted with beech 山毛榉林
  • The two Frenchmen went through strange adventures in the African forests. 两位法国人在非洲森林里经历了种种奇遇。 来自《现代汉英综合大词典》

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