50个句子背7000个单词

 　　1. Typical of the grassland¹ dwellers² of the continent is the American

　　antelope³, or pronghorn.

　　1.美洲羚羊，或称叉角羚，是该大陆典型的草原动物。

　　2. Of the millions who saw Haley’s comet in 1986, how many people will live

　　long enough to see it return in the twenty-first century.

　　2. 1986年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？

　　3. Anthropologists have discovered that fear, happiness, sadness, and surprise

　　are universally reflected in facial expressions.

　　3.人类学家们已经发现，恐惧，快乐，悲伤和惊奇都会行之于色，这在全人类是共通的。

　　4. Because of its irritating effect on humans, the use of phenol as a general

　　antiseptic has been largely discontinued.

　　4.由于苯酚对人体带有刺激性作用，它基本上已不再被当作常用的防腐剂了。

　　5. In group to remain in existence, a profit-making organization must, in the

　　long run, produce something consumers consider useful or desirable.

　　5.任何盈利组织若要生存，最终都必须生产出消费者可用或需要的产品。

　　6. The greater the population there is in a locality, the greater the need

　　there is for water, transportation, and disposal of refuse.

　　6.一个地方的人口越多，其对水，交通和垃圾处理的需求就会越大。

　　7. It is more difficult to write simply, directly, and effectively than to

　　employ flowery but vague expressions that only obscure one’s meaning.

　　7.简明，直接，有力的写作难于花哨，含混而意义模糊的表达。

　　8. With modern offices becoming more mechanized, designers are attempting to

　　personalize them with warmer, less severe interiors.

　　8.随着现代办公室的日益自动化，设计师们正试图利用较为温暖而不太严肃的内部装饰来使其具有亲切感。

　　9. The difference between libel and slander⁴ is that libel is printed while

　　slander is spoken.

　　9.诽谤和流言的区别在于前者是书面的，而后者是口头的。

　　10. The knee is the joints⁵ where the thigh⁶ bone meets the large bone of the

　　lower leg.

　　10.膝盖是大腿骨和小腿胫的连接处。

　　11. Acids are chemical compounds that, in water solution, have a sharp taste,

　　a corrosive⁷ action on metals, and the ability to turn certain blue vegetable

　　dyes red.

　　11.酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

　　12. Billie Holiday’s reputation as a great jazz-blues singer rests on her

　　ability to give emotional depth to her songs.

　　12. Billie Holiday’s作为一个爵士布鲁斯乐杰出歌手的名声建立在能够赋予歌曲感情深度的能力。

　　13. Essentially⁸, a theory is an abstract, symbolic⁹ representation of what is

　　conceived to be reality.

　　13.理论在本质上是对认识了的现实的一种抽象和符号化的表达。

　　14. Long before children are able to speak or understand a language, they

　　communicate through facial expressions and by making noises.

　　14.儿童在能说或能听懂语言之前，很久就会通过面部表情和靠发出噪声来与人交流了。

　　15. Thanks to modern irrigation, crops now grow abundantly in areas where once

　　nothing but cacti¹⁰ and sagebrush could live.

　　15.受当代灌溉(技术设施)之赐，农作物在原来只有仙人掌和荞属科植物才能生存的地方旺盛的生长。

　　16. The development of mechanical timepieces spurred the search for more

　　accurate sundials with which to regulate them.

　　16.机械计时器的发展促使人们寻求更精确的日晷，以便校准机械计时器。

　　17. Anthropology¹¹ is a science in that anthropologists use a rigorous set of

　　methods and techniques to document observations that can be checked by others.

　　17.人类学是一门科学，因为人类学家采用一整套强有力的方法和技术来记录观测结果，而这样记录下来的观测结果是供他人核查的。

　　18. Fungi¹² are important in the process of decay, which returns ingredients to

　　the soil, enhances soil fertility, and decomposes¹³ animal debris¹⁴.

　　18.真菌在腐化过程中十分重要，而腐化过程将化学物质回馈于土壤，提高其肥力，并分解动物粪便。

　　19. When it is struck, a tuning¹⁵ fork produces an almost pure tone, retaining

　　its pitch over a long period of time.

　　19.音叉被敲击时，产生几乎纯质的音调，其音量经久不衰。

　　20. Although pecans are most plentiful¹⁶ in the southeastern part of the United

　　States, they are found as far north as Ohio and Illinois.

　　20.虽然美洲山河桃树最集中于美国的东南部但是在北至俄亥俄州及伊利诺州也能看见它们。

　　21. Eliminating problems by transferring the blame to others is often called

　　scape-goating.

　　21.用怪罪别人的办法来解决问题通常被称为寻找替罪羊。

　　22. The chief foods eaten in any country depend largely on what grows best in

　　its climate and soil.

　　22.一个国家的主要食物是什么，大体取决于什么作物在其天气和土壤条件下生长得最好。

　　23. Over a very large number of trials, the probability of an event’s

　　occurring is equal to the probability that it will not occur.

　　23.在大量的实验中，某一事件发生的几率等于它不发生的几率。

　　24. Most substance contract when they freeze so that the density¹⁷ of a

　　substance’s solid is higher than the density of its liquid.

　　24.大多数物质遇冷收缩，所以他们的密度在固态时高于液态。

　　25. The mechanism¹⁸ by which brain cells store memories is not clearly

　　understood.

　　25.大脑细胞储存记忆的机理并不为人明白。

　　26. By the middle of the twentieth century, painters and sculptors¹⁹ in the

　　United States had begun to exert a great worldwide influence over art.

　　26.到了二十一世纪中叶，美国画家和雕塑家开始在世界范围内对艺术产生重大影响。

　　27. In the eastern part of New Jersey²⁰ lies the city of Elizabeth, a major

　　shipping²¹ and manufacturing center.

　　27.伊丽莎白市，一个重要的航运和制造业中心，坐落于新泽西州的东部。

　　28. Elizabeth Blackwell, the first woman medical doctor in the United States,

　　founded the New York Infirmary, an institution that has always had a

　　completely female medical staff.

　　28. Elizabeth Blackwell，美国第一个女医生，创建了员工一直为女性纽约诊所。

　　29. Alexander Graham Bell once told his family that he would rather be

　　remembered as a teacher of the deaf than as the inventor of the telephone.

　　29. Alexander Graham Bell曾告诉家人，他更愿意让后人记住他是聋子的老师，而非电话的发明者。

　　30. Because its leaves remain green long after being picked, rosemary became

　　associated with the idea of remembrance.

　　30.采摘下的迷迭香树叶常绿不衰，因此人们把迷迭香树与怀念联系在一起。

　　31. Although apparently²² rigid²³, bones exhibit a degree of elasticity²⁴ that

　　enables the skeleton to withstand considerable impact.

　　31.骨头看起来是脆硬的，但它也有一定的弹性，使得骨骼能够承受相当的打击。

　　32. That xenon could not FORM chemical compounds was once believed by

　　scientists.

　　32.科学家曾相信：氙气是不能形成化合物的。

　　33. Research into the dynamics²⁵ of storms is directed toward improving the

　　ability to predict these events and thus to minimize damage and avoid loss of

　　life.

　　33.对风暴动力学的研究是为了提高风暴预测从而减少损失，避免人员伤亡。

　　34. The elimination²⁶ of inflation would ensure that the amount of money used in

　　repaying a loan would have the same value as the amount of money borrowed.

　　34.消除通货膨胀应确保还贷的钱应与所贷款的价值相同。

　　35. Futurism, an early twentieth-century movement in art, rejected all

　　traditions and attempted to glorify²⁷ contemporary life by emphasizing the

　　machine and motion.

　　35.未来主义，二十世纪早期的一个艺术思潮。拒绝一切传统，试图通过强调机械和动态来美化生活。

　　36. One of the wildest and most inaccessible²⁸ parts of the United States is the

　　Everglades where wildlife is abundant and largely protected.

　　36. Everglades是美国境内最为荒凉和人迹罕至的地区之一，此处有大量的野生动植物而且大多受(法律)保护。

　　37. Lucretia Mott’s influence was so significant that she has been credited by

　　some authorities as the originator of feminism in the United States.

　　37. Lucretia Mott’s的影响巨大，所以一些权威部门认定她为美国女权运动的创始人。

　　38. The activities of the international marketing²⁹ researcher are frequently

　　much broader than those of the domestic marketer.

　　38.国际市场研究者的活动范围常常较国内市场研究者广阔。

　　39. The continental³⁰ divide refers to an imaginary line in the North American

　　Rockies that divides the waters flowing into the Atlantic Ocean from those

　　flowing into the Pacific.

　　39.大陆分水岭是指北美洛矶山脉上的一道想象线，该线把大西洋流域和太平洋流域区分开来。 40. Studies of the gravity field

　　of the Earth indicate that its crust and mantle³¹ yield when unusual weight is

　　placed on them.

　　40.对地球引力的研究表明，在不寻常的负荷之下地壳和地幔会发生位移。

　　41. The annual worth of Utah’s manufacturing is greater than that of its

　　mining and farming combined.

　　41.尤它州制造业的年产值大于其工业和农业的总和。

　　42. The wallflower is so called because its weak stems often grow on walls and

　　along stony³² cliffs for support.

　　42.墙花之所以叫墙花，是因为其脆弱的枝干经常要靠墙壁或顺石崖生长，以便有所依附。

　　43. It is the interaction between people, rather than the events that occur in

　　their lives, that is the main focus of social psychology³³.

　　43.社会心理学的主要焦点是人与人之间的交往，而不是他们各自生活中的事件。

　　44. No social crusade aroused Elizabeth Williams’ enthusiasm more than the

　　expansion of educational facilities for immigrants to the United States.

　　44.给美国的新移民增加教育设施比任何社会运动都更多的激发了Elizabeth Williams的热情。 45. Quails³⁴ typically have

　　short rounded wings that enable them to spring into full flight instantly when

　　disturbed in their hiding places.

　　45.典型的鹌鹑都长有短而圆的翅膀，凭此他们可以在受惊时一跃而起，飞离它们的躲藏地。

　　46. According to anthropologists, the earliest ancestors of humans that stood

　　upright resembled chimpanzees facially, with sloping foreheads and protruding³⁵

　　brows.

　　46.根据人类学家的说法，直立行走的人的鼻祖面部轮廓与黑猩猩相似，额头后倾，眉毛突出。 47. Not until 1866 was the fully³⁶

　　successful transatlantic cable finally laid.

　　47.直到1866年第一条横跨大西洋的电缆才完全成功的架通。

　　48. In his writing, John Crowe Ransom³⁷ describes what he considers the

　　spiritual barrenness of society brought about by science and technology.

　　48. John Crowe Ransom在他的著作中描述了他认为是由科学技术给社会带来的精神贫困。

　　49. Children with parents whose guidance is firm, consistent, and rational are

　　inclined to possess high levels of self-confidence.

　　49.父母的教导如果坚定，始终如一和理性，孩子就有可能充满自信。

　　50. The ancient Hopewell people of North America probably cultivated corn and

　　other crops, but hunting and gathering³⁸ were still of critical importance in

　　their economy.

　　50.北美远古的Hopewell人很可能种植了玉米和其他农作物，但打猎和采集对他们的经济贸易仍是至关重要的。

1 grassland   

n.牧场，草地，草原

参考例句：

• There is a reach of grassland in the distance.远处是连绵一片的草原。
• The snowstorm swept the vast expanse of grassland.暴风雪袭击了辽阔的草原。

2 dwellers   

n.居民，居住者( dweller的名词复数 )

参考例句：

• City dwellers think country folk have provincial attitudes. 城里人以为乡下人思想迂腐。 来自《简明英汉词典》
• They have transformed themselves into permanent city dwellers. 他们已成为永久的城市居民。 来自《简明英汉词典》

3 antelope   

n.羚羊；羚羊皮

参考例句：

• Choosing the antelope shows that China wants a Green Olympics.选择藏羚羊表示中国需要绿色奥运。
• The tiger was dragging the antelope across the field.老虎拖着羚羊穿过原野。

4 slander   

n./v.诽谤，污蔑

参考例句：

• The article is a slander on ordinary working people.那篇文章是对普通劳动大众的诋毁。
• He threatened to go public with the slander.他威胁要把丑闻宣扬出去。

5 joints   

接头( joint的名词复数 )； 关节； 公共场所（尤指价格低廉的饮食和娱乐场所） （非正式）； 一块烤肉 （英式英语）

参考例句：

• Expansion joints of various kinds are fitted on gas mains. 各种各样的伸缩接头被安装在煤气的总管道上了。
• Expansion joints of various kinds are fitted on steam pipes. 各种各样的伸缩接头被安装在蒸气管道上了。

6 thigh   

n.大腿；股骨

参考例句：

• He is suffering from a strained thigh muscle.他的大腿肌肉拉伤了，疼得很。
• The thigh bone is connected to the hip bone.股骨连着髋骨。

7 corrosive   

adj.腐蚀性的；有害的；恶毒的

参考例句：

• Many highly corrosive substances are used in the nuclear industry.核工业使用许多腐蚀性很强的物质。
• Many highly corrosive substances are used in the nuclear industry.核工业使用许多腐蚀性很强的物质。

8 essentially   

adv.本质上，实质上，基本上

参考例句：

• Really great men are essentially modest.真正的伟人大都很谦虚。
• She is an essentially selfish person.她本质上是个自私自利的人。

9 symbolic   

adj.象征性的，符号的，象征主义的

参考例句：

• It is symbolic of the fighting spirit of modern womanhood.它象征着现代妇女的战斗精神。
• The Christian ceremony of baptism is a symbolic act.基督教的洗礼仪式是一种象征性的做法。

10 cacti   

n.（复）仙人掌

参考例句：

• There we could see nothing but cacti.那里除了仙人掌我们什么也看不到。
• Cacti can survive the lack of rainfall in the desert.仙人掌在降水稀少的沙漠中也能生存下去。

11 anthropology   

n.人类学

参考例句：

• I believe he has started reading up anthropology.我相信他已开始深入研究人类学。
• Social anthropology is centrally concerned with the diversity of culture.社会人类学主要关于文化多样性。

12 fungi   

n.真菌，霉菌

参考例句：

• Students practice to apply the study of genetics to multicellular plants and fungi.学生们练习把基因学应用到多细胞植物和真菌中。
• The lawn was covered with fungi.草地上到处都是蘑菇。

13 decomposes   

腐烂( decompose的第三人称单数 )； （使）分解； 分解（某物质、光线等）

参考例句：

• The debris slowly decomposes into compost. 这些垃圾慢慢地分解成了堆肥。
• Plastic is a substance that hardly decomposes in the nature. 塑料是一种在自然中极难降解的物质。

14 debris   

n.瓦砾堆，废墟，碎片

参考例句：

• After the bombing there was a lot of debris everywhere.轰炸之后到处瓦砾成堆。
• Bacteria sticks to food debris in the teeth,causing decay.细菌附着在牙缝中的食物残渣上，导致蛀牙。

15 tuning   

n.调谐，调整，调音v.调音( tune的现在分词 )；调整；（给收音机、电视等）调谐；使协调

参考例句：

• They are tuning up a plane on the flight line. 他们正在机场的飞机跑道上调试一架飞机。 来自《简明英汉词典》
• The orchestra are tuning up. 管弦乐队在定弦。 来自《现代汉英综合大词典》

16 plentiful   

adj.富裕的，丰富的

参考例句：

• Their family has a plentiful harvest this year.他们家今年又丰收了。
• Rainfall is plentiful in the area.这个地区雨量充足。

17 density   

n.密集，密度，浓度

参考例句：

• The population density of that country is 685 per square mile.那个国家的人口密度为每平方英里685人。
• The region has a very high population density.该地区的人口密度很高。

18 mechanism   

n.机械装置；机构，结构

参考例句：

• The bones and muscles are parts of the mechanism of the body.骨骼和肌肉是人体的组成部件。
• The mechanism of the machine is very complicated.这台机器的结构是非常复杂的。

19 sculptors   

雕刻家，雕塑家( sculptor的名词复数 )； [天]玉夫座

参考例句：

• He is one of Britain's best-known sculptors. 他是英国最有名的雕塑家之一。
• Painters and sculptors are indexed separately. 画家和雕刻家被分开，分别做了索引。

20 jersey   

n.运动衫

参考例句：

• He wears a cotton jersey when he plays football.他穿运动衫踢足球。
• They were dressed alike in blue jersey and knickers.他们穿着一致，都是蓝色的运动衫和灯笼短裤。

21 shipping   

n.船运（发货，运输，乘船）

参考例句：

• We struck a bargain with an American shipping firm.我们和一家美国船运公司谈成了一笔生意。
• There's a shipping charge of ￡5 added to the price.价格之外另加五英镑运输费。

22 apparently   

adv.显然地；表面上，似乎

参考例句：

• An apparently blind alley leads suddenly into an open space.山穷水尽，豁然开朗。
• He was apparently much surprised at the news.他对那个消息显然感到十分惊异。

23 rigid   

adj.严格的，死板的；刚硬的，僵硬的

参考例句：

• She became as rigid as adamant.她变得如顽石般的固执。
• The examination was so rigid that nearly all aspirants were ruled out.考试很严，几乎所有的考生都被淘汰了。

24 elasticity   

n.弹性，伸缩力

参考例句：

• The skin eventually loses its elasticity.皮肤最终会失去弹性。
• Every sort of spring has a definite elasticity.每一种弹簧都有一定的弹性。

25 dynamics   

n.力学，动力学，动力，原动力；动态

参考例句：

• In order to succeed,you must master complicated knowledge of dynamics.要取得胜利，你必须掌握很复杂的动力学知识。
• Dynamics is a discipline that cannot be mastered without extensive practice.动力学是一门不做大量习题就不能掌握的学科。

26 elimination   

n.排除，消除，消灭

参考例句：

• Their elimination from the competition was a great surprise.他们在比赛中遭到淘汰是个很大的意外。
• I was eliminated from the 400 metres in the semi-finals.我在400米半决赛中被淘汰。

27 glorify   

vt.颂扬，赞美，使增光，美化

参考例句：

• Politicians have complained that the media glorify drugs.政治家们抱怨媒体美化毒品。
• We are all committed to serving the Lord and glorifying His name in the best way we know.我们全心全意敬奉上帝，竭尽所能颂扬他的美名。

28 inaccessible   

adj.达不到的，难接近的

参考例句：

• This novel seems to me among the most inaccessible.这本书对我来说是最难懂的小说之一。
• The top of Mount Everest is the most inaccessible place in the world.珠穆朗玛峰是世界上最难到达的地方。

29 marketing   

n.行销，在市场的买卖，买东西

参考例句：

• They are developing marketing network.他们正在发展销售网络。
• He often goes marketing.他经常去市场做生意。

30 continental   

adj.大陆的，大陆性的，欧洲大陆的

参考例句：

• A continental climate is different from an insular one.大陆性气候不同于岛屿气候。
• The most ancient parts of the continental crust are 4000 million years old.大陆地壳最古老的部分有40亿年历史。

31 mantle   

n.斗篷，覆罩之物，罩子；v.罩住，覆盖，脸红

参考例句：

• The earth had donned her mantle of brightest green.大地披上了苍翠欲滴的绿色斗篷。
• The mountain was covered with a mantle of snow.山上覆盖着一层雪。

32 stony   

adj.石头的，多石头的，冷酷的，无情的

参考例句：

• The ground is too dry and stony.这块地太干，而且布满了石头。
• He listened to her story with a stony expression.他带着冷漠的表情听她讲经历。

33 psychology   

n.心理，心理学，心理状态

参考例句：

• She has a background in child psychology.她受过儿童心理学的教育。
• He studied philosophy and psychology at Cambridge.他在剑桥大学学习哲学和心理学。

34 quails   

鹌鹑( quail的名词复数 )； 鹌鹑肉

参考例句：

• Speckled quails rustled in the underbrush. 鹌鹑在矮树丛里沙沙作响。
• I went out to pop some quails. 我出去打几只鹌鹑。

35 protruding   

v.（使某物）伸出，（使某物）突出( protrude的现在分词 )；凸

参考例句：

• He hung his coat on a nail protruding from the wall. 他把上衣挂在凸出墙面的一根钉子上。
• There is a protruding shelf over a fireplace. 壁炉上方有个突出的架子。 来自辞典例句

36 fully   

adv.完全地，全部地，彻底地；充分地

参考例句：

• The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气，然后全部呼出。
• They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。

37 ransom   

n.赎金，赎身；v.赎回，解救

参考例句：

• We'd better arrange the ransom right away.我们最好马上把索取赎金的事安排好。
• The kidnappers exacted a ransom of 10000 from the family.绑架者向这家人家勒索10000英镑的赎金。

38 gathering   

n.集会，聚会，聚集

参考例句：

• He called on Mr. White to speak at the gathering.他请怀特先生在集会上讲话。
• He is on the wing gathering material for his novels.他正忙于为他的小说收集资料。