vt./vi.①(in)投资，投入(时间，精力等)：He invested heavily in a house.

②给…着衣，披盖：Fog invests the city.

③授予，赋予：be invested with full authority被授予全权

21. irrigate

vt.灌溉：They have built canals to irrigate the desert.他们建造了水渠以灌溉沙漠。

n.①发行物：Have you read the latest issue of the magazine?

②问题，争论点：What issue are Linda and her husband arguing about now?

22. liable

a.①(to)易于…的：He's liable to shout when he gets angry.他一生气就爱吼叫。

②易受……之害的：This part of town is liable to flooding.城镇的这个地区易遭水灾。

③对……有偿付责任的：He declared that he was not liable for his wife's debts.他宣称他没有义务偿还妻

子的债。

④可能受……惩罚的：People who walk on the grass are liable to a fine of $5.践踏草地的人会被罚款 5 美

元。

23. locate

vt.把…设置在：The hospital is to be located in your town.

locationn.地点，位置：The price of a house depends on its size and location.

24. main

a.主要的，最重要的：Can you catch the main idea of the text?

in the main基本上

25. manufacture

vt.制造，加工：It is manufactured by machinery.

n.(用复数)产品：silk manufactures丝织品

manufacturern.制造厂(商)，生产者

26. material

n.①材料，原料：Japan is lacking in raw materials.

a.①物质的，实体的：The material world seems boundless.

②身体的，肉体的：material needs身体上的需要

③重要的，实质性的：Is there any material difference between the two?

27. melt

vi./vt.①(使)融化，(使)熔化：The snow has melted.

②(使)消散，(使)逐渐消失：The fog soon melted in the morning sun.

28. mention

vt.提及，说起：Don't mention the subject this evening.

n.(of)提及，说起：There was no mention of our team's success in the newspaper.

not to mention更不用说……，此外：

They have three dogs to look after, not to mention the cat and the bird.他们有三只狗需要照料，此外还有猫和鸟。

29. mostly

adv.主要地，多半：She uses her car mostly for driving to work.她的汽车主要用于上下班。

30. nevertheless

adv./conj.不过，然而：The news may be unexpected(意想不到的); nevertheless it is true.

31. obligation

n. 义务，责任：I have an obligation to tell you the truth.

32. offer

vt./vi. ①提供，给予：This shop offers various daily necessaries.

②呈现，出现：Each stage of the work offers its own characteristic problems.

n. ①提议，提供(物)：His offer was very acceptable.

②报价，开价： an offer of $5出价 5 美元

33. opportunity

n. (for，of)时机，机会：I take this opportunity of thanking you.

34. opposite

a. (to)相反的，对立的：opposite direction 反方向

n. 相反的事物，对立面：I thought quite the opposite.

35. ordinary

a. 普通的，平常的：

I've got an ordinary sort of car, nothing special.我又一辆普通的汽车，毫无特别之处。

out of the ordinary不寻常的，非凡的

36. organic

a. 有机物的，有机(体)的：organic chemistry 有机化学

37. pace

n. ①(一)步：He stands five paces behind me.

②步伐，步速，速度：at the pace of three miles an hour以每小时三英里的步速

vi./vt. 踱步，慢慢地走：He paced up and down the corridor.

keep pace with齐步前进

38. participate

vi. ①(in)参与，参加：Everyone can participate in the match.

②(with)分享，分担：We participate with others in joys or sorrows.

39. particularly

adv. 特别，尤其：It is particularly hot today.

40. passenger

n. 乘客，旅客：This bus can carry 60 passengers.这辆公共汽车能载 60 名乘客。

41. personality

n. ①人格，个性：a man of strong personality 一个个性强的人

②人物，名人：a movie personality电影界名人

42. personnel

n. ①(用复数)全体人员,全体职员：

The company's main problem is the shortage of skilled personnel.这家公司的主要问题是缺少有技术的人

员。

②人事部门：She works in personnel.她在人事部门工作。