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与美国小学生一起学英文第3册 第27期:计算器

时间:2018-04-13 01:39:30

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(单词翻译)

   Calculator 计算器

  A calculator is a device for calculations in math. 计算器是数学上用于计算的工具。
  It is not a computer. 它不是计算机。
  And it is usually small, digital and inexpensive. 它通常是小巧且廉价的电子产品。
  Many students use calculators for their school work. 许多学生用计算器做作业。
  The first pocket-size calculator appeared in about 1970 around the world. 世界上第一款袖珍计算器大约出现在1970年。
  Because it was powered by batteries, it was portable, handy and very convenient. 因为计算机是电池充电,所以它可移动,非常方便快捷。
  However, it was very expensive. 然而,当时计算器很贵。
  It cost almost 400 $. 它的价格约是400美元。

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0     
参考例句:
0 almost 7Llyo     
adv.几乎,差不多
参考例句:
  • The band has been on the road for almost a month. 那支乐队进行巡回演出近一个月了。
  • We stay in almost every night and watch television.我们几乎每个晚上都在家里看电视。
0 appeared appeared     
v.出现( appear的过去式和过去分词 );出庭(作证或受审);演出;发表
参考例句:
  • Her beauty appeared ageless. 她的美显得经久不衰。
  • He appeared at breakfast bleary-eyed and with a hangover. 他吃早餐时两眼迷糊,宿醉未醒。
0 around xN9y0     
adv.大约,到处,在周围;prep.在...周围
参考例句:
  • It was dark around me.我周围一片黑暗。
  • Is there a shopping center around?这附近有没有购物中心?
0 batteries 2876a3dbad0a29a8197f63137712afe6     
n.电池;(蓄)电池(组)( battery的名词复数 );一系列;排炮;层架式鸡笼
参考例句:
  • to replace the batteries 更换电池
  • He is certain that this TV set will operate on batteries. 他肯定这个电视机可以用电池。 来自《简明英汉词典》
0 because EQXyl     
conj.由于,因为
参考例句:
  • Because his car is old.因为他的汽车旧了。
  • He was late because of an accident.他是因事故而迟到的。
0 calculations 9a7cbfb33501452ad191bb1f0c3e6209     
n.计算( calculation的名词复数 );盘算;自私的打算;推断
参考例句:
  • We can exclude the possibility of total loss from our calculations. 我们可以在预测中把彻底失败的可能性排除在外。 来自《简明英汉词典》
  • He scored out both calculations and did them again. 他把两个计算结果都划掉,又把它们计算了一遍。 来自《简明英汉词典》
0 calculator uTqyv     
n.计算者,计算机
参考例句:
  • Don't forget to bring your calculator that day.那天你可别忘了带计算器。
  • I totaled my expenses with a calculator. 我用计算器算出开支的总金额。
0 calculators e753a7d258e50b1ab78964e89995dcbe     
计算器( calculator的名词复数 )
参考例句:
  • Don't rely on pocket calculators." 不要靠袖珍计算器。” 来自中级百科部分
  • The sale of hand-held electronic calculators has increased at a significant rate. 袖珍电子计算器的销售量增加很快。
0 computer SXoyQ     
n.电脑,计算机
参考例句:
  • We are interested in computer.我们对计算机感兴趣。
  • I like playing computer games.我喜欢玩电脑游戏。
0 convenient MoVzy     
adj.便利的,方便的
参考例句:
  • I have to find a convenient location for the shelves.我得找一合适的地方放这些书架。
  • Come at any time that is convenient to you.你哪会儿方便就哪会儿来吧。
0 cost 2zaxi     
n.价钱,费用,成本;损失,牺牲
参考例句:
  • What does the book cost?这本书值多少?
  • He saved his daughter at the cost of his life.他以牺牲自己的生命挽救了女儿。
0 device Bv8x6     
n.器械,装置;计划,策略,诡计
参考例句:
  • The device will be in production by the end of the year.该装置将于年底投入生产。
  • The device will save much time and effort for us.这种装置会使我们节省大量时间和气力。
0 digital KvtxY     
n.数字,数字式;adj.数位的,数字的
参考例句:
  • There's a digital watch on the table.桌子上有一块数字式手表。
  • The signal will be converted into digital code.信号会被转变为数字代码。
0 expensive OmIx4     
adj.昂贵的,花钱多的
参考例句:
  • The shirt is much too expensive.这件衬衫很昂贵。
  • This is a very expensive shirt.这是非常昂贵的衬衫。
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 handy de0zX     
adj.方便的;手边的,近便的;手巧的
参考例句:
  • A few more traveler's checks may come in handy on holiday.多带几张旅行支票,度假时会有用的。
  • She is a handy girl who can turn her hand to anything.她是个心灵手巧的姑娘。
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 inexpensive j73x8     
adj.花费不多的,费用不昂贵的
参考例句:
  • Those shoes are very inexpensive.那些鞋子很便宜。
  • This kind of car is inexpensive.这种汽车便宜。
0 math PBxxI     
n.数学
参考例句:
  • Take out your math book.拿出你的数学书。
  • Who's your math teacher?你们的数学老师是谁?
0 portable GOkxY     
adj.轻便的,手提式的;n.便携的东西
参考例句:
  • I have a portable typewriter.我有一个便携式打字机。
  • There is a pretty portable pair of steps in one corner of the room.屋角放着一架小巧玲珑的折梯。
0 powered YlHzQc     
adj.有动力装置的,用动力推动的
参考例句:
  • Its radar equipment was powered by a nuclear reactor. 其雷达装置由一核反应堆提供动力。 来自《简明英汉词典》
  • He has a bicycle with lights powered by a dynamo. 他自行车上的灯由发电机提供能源。 来自《简明英汉词典》
0 students 75d37c6cbf460947005c97e3f12906a9     
n.学生,大学生( student的名词复数 );研究者;中学生
参考例句:
  • Students will normally take three A2 subjects. 学生通常要选三门A2证书考试科目。
  • The students return in October for the start of the new academic year. 学生于十月返校,开始新学年的学习。
0 use Yj4wU     
v.使用;n.用途,利用
参考例句:
  • Do you often use it?你经常用它吗?
  • What use does it have?它有什么用途?
0 usually 9jXwX     
adv.通常,平常,一般
参考例句:
  • What do you usually eat?你平时都吃什么?
  • We usually go by train.我们通常坐火车去。
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 work OoOyu     
n.工作,劳动
参考例句:
  • We all work hard.我们都努力工作。
  • Her work is to take care of the children.她的工作是照料好孩子。
0 world hfPw4     
n.世界
参考例句:
  • We have friends all over the world.我们的朋友遍天下。
  • Welcome to my small world.欢迎光临我的小天地。

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