发布时间 : 星期一 文章(完整word版)人教版高中英语词汇经典例句整理----必修三更新完毕开始阅读f2cfcf5bc7da50e2524de518964bcf84b9d52d8e
a chemical substance that has a pH of less than 7. 1、I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
2、Acids react with bases to form salts. 酸与碱反应生成盐。
3、Acid rain, meanwhile, reduces agricultural yields and eats away at buildings and infrastructure.
同时酸雨使农业产量减少并腐蚀建筑物和基础设施。 Chain n. 链子；连锁；锁链
a series of connected metal rings, used for pulling or fastening things. 1、The Government fear the strike may produce a chain reaction in other industries.政府害怕罢工可能在其他行业产生连锁反应。 2、He detached a link from a chain. 他从链子上拆下一个链环。
3、As China moves up the value chain, it will export cheaper products in new industries, such as cars.
随着中国在价值链上的攀升，将在新兴产业出口更便宜的产品，如汽车。 Reaction n. 反应；回应
what you do, say or think as a result of sth that has happened； 1、A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
2、Running away is our instinctive reaction when we meet danger. 遇到危险时，我们的本能反应就是跑开。 3、What was his reaction to the news? 他对这消息的反应如何? Multiply vi. & vt. 乘；增加
to increase greatly in number, or (in mathematics) to add a number to itself a particular number of times； 1、We must multiply our efforts to clear up the mystery. 我们必须加倍努力来澄清这一神秘的事件。 2、Four multiplied by seven is twenty-eight. 7乘4等于28。
3、Only action determines my value in the market place and to multiply my value I will multiply my actions.
只有行动才能决定我在商场上的价值。若要加倍我的价值,我必须加倍努力。 Oxygen n. 氧
a colourless gas that forms a large part of the air on Earth and which is needed by people, animals and plants to live； 1、Water contains hydrogen and oxygen. 水含有氢和氧。
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2、Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
3、This is your seat area and shows the brace position, exits, lifejackets and oxygen. 这是您的座位区，演示防撞击姿势，出口，救生衣还有氧气设备。 Exist vi. 存在 ；生存
to be real; to be present in a place or situation； 1、That department has ceased to exist. 那部门已不复存在。
2、Man cannot exist without air. 没有空气人就不能生存。
3、The idea exists only in the minds of poets. 这种想法是诗人才有的. Give birth to 产生；分娩
bear 1、On October17, at9:25A. she gave birth to a beautiful baby girl. 10月17日上午9时25分，她生下一个漂亮的小女孩。
2、It is said that James Watt's observation of steam issuing from a kettle gave birth to the idea of the steam engine.
据说，詹姆斯瓦特对水壶蒸气的观察使他产生了发明蒸汽机的想法。
3、The state respects a woman's right to give birth and protects her health when giving birth.
国家尊重妇女的生育权,保护妇女的生育健康。 Thus adv. 因此；于是
in this way; like this;as a result of this; 1、It was already rather late, thus we decided to urge the customer. 已经相当晚了，所以我们决定催促客户。
2、Anne ought not to speak thus of her benefactor. 安不应该这样谈论她的恩人。
3、He forgot to turn on the radio and thus missed the program. 他忘了打开收音机，因此错过了那个节目。
4、Thus do the beavers, thus do the bees, thus do men. 海狸是这样做的,蜜蜂是这样做的,人也是这样做的。 Carbon dioxide 二氧化碳
the gas formed when carbon is burned, or when people or animals breathe out; 1、Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
2、Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets.
令人费解的是，二氧化碳理应像在其他行星那样成为大气的主要成分，却仅仅是一种示踪气体。
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3、At pressures and temperatures greater than the critical point, carbon dioxide exists only as a supercritical fluid.
在压力和温度大于其临界点时，二氧化碳只可能以超临界流体形式存在。 Prevent…from 阻止；制止
stop from; 1、Drinking tea helps prevent from getting agedness kind cataract . 饮茶可以预防老年性白内障。
2、University of Arizona Extension experts say covering plants and small trees with cloth or paper can help prevent from their frost damage.
亚利桑那州附属大学的专家称，用衣物或纸覆盖植物和小树，能帮助防止霜冻危害。 3、Not impede fair competition, prevent from over-concentration of domestic related products, and from exclusion or limitation of competition.
不得妨碍公平竞争，不得造成中国境内相关产品市场过度集中、排除或限制竞争。 Puzzle n. 谜；难题 vi & vt (使)迷惑；（使）为难
a situation which is difficult to understand ; to cause someone to feel confused and slightly worried because they cannot understand something; 1、A jigsaw puzzle is a picture which has been cut up into bits, and you must make the picture again.
拼板玩具是一个被分割成块的图,你必须再把这图拼起来。 2、She listened with a puzzled expression on her face. 她脸上带著困惑的表情在倾听。 3、Her reply puzzled me. 她的回答把我弄糊涂了。
4、He stood there watching with puzzled despair. 他束手无策地站在那儿看着。 Biology n. 生物学
the scientific study of the life and structure of plants and animals; 1、Her school report shows that she is weak at/in arithmetic and biology. 从她的学习成绩单可看出她算术和生物成绩差。
2、The biology paper (ie in an examination) was a real stinker. 生物试卷真难答。 3、He specializes biology. 他主修生物学。 Biologist n. 生物学家
a scientist who studies living things 1、This is that biologist having rescued her life. 这就是救了她生命的那个生物学家。
2、\ biologist,\\我想当一个优秀的生物学家,\凯瑟琳认真地说。 3、The biologist advanced a new theory of life.
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这位生物学家提出一种有关生命的新理论。 Gravity n. 万有引力；重力
force which attracts objects towards one another, especially the force that makes things fall to the ground; 1、The force of gravity pulls things towards the earth's centre. 地心吸力把物体吸向地心。
2、He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律，给人以深刻的印象。
3、Scientists can observe what they believe to be dark matter only through its gravity. 科学家要观测到他们所确信的暗物质，只能通过它的引力。 Satellite n. 卫星；人造卫星
an artificial object sent up into space to travel round the earth, used for collecting information or communicating by radio, television, etc; 1、Troop movements can be observed from space by a satellite. 藉助卫星可观察到部队的调动。
2、The equipment picked up the signal from the satellite. 这设备收到了卫星发出的信号。
3、The bbc is hooked up with Australian television by satellite. 英国广播公司通过卫星与澳大利亚电视实行联播。 Gentle adj. 温和的；文雅的
Someone who is gentle is kind, mild, and calm. 1、Joanna had a gentle retiring disposition. 乔安娜性格温柔而腼腆。
2、The dog is so gentle that I am not afraid of it. 这只狗如此温顺,因此我不感到害怕。
3、His stories are shot through with a gentle sadness. 他的小说充满了淡淡的忧伤。 Physicist n. 物理学家
expert in or student of physics 1、He came to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。 2、He is a famous physicist. 他是一位著名的物理学家。
3、 Many possibilities which are open to the physicist today were impracticable not long
ago.
今天向自然科学家提供的可能性,在不久之前还是行不通的。 Climate n. 气候
regular pattern of weather conditions (temperature, rainfall, winds, etc) of a particular region 1、I hope you will recover soon under this healthful climate.
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