1. dusk [dʌsk]

n.薄暮，黄昏，幽暗

the time before night when it is not yet dark

例句：

1. The park closes at dusk. 公园在黄昏时关闭。

2. At dusk bats appear in vast numbers. 蝙蝠于傍晚时分大批出现。

2. rehearse [rɪˈhɜ:s]

vt.预演，排演，使排练，练习，背诵，复述；vi.排练，练习，演习

to practise a play , a piece of music , etc . in order to prepare it for public performance

例句：

1. We can rehearse in this open space. 我们可以在这片空地排练。

2. We hardly have time to rehearse. 我们几乎没有时间排练。

3. landlord [ˈlændlɔ:d]

n.地主，房东，(旅店)店主

a person or organization that owns a building or an area of land and is paid by other people for the use of it

例句：

1. He is the landlord of this pub. 他是这家酒店的店主。

2. He used to be a long-term labourer for a landlord. 他早先给地主扛过长活。

4. paw [pɔ:]

n.手掌，手爪；vi.以蹄扒地，翻找；vt.抓，扒；亲昵地抚摸

the foot of an animal which has claws or nails , such as a cat , dog or bear

例句：

1. He served as a cat's paw. 他充当爪牙。

2. Don't paw at everything you see. 别见什么摸什么。

5. protest [ˈprəʊtest]

vt.&vi.反对，抗议；宣称；n.抗议；宣称

a strong complaint expressing disagreement , disapproval or opposition

例句：

1. I can't pass the matter by without a protest. 我不能对此事视而不见，我要提出抗议。

2. We translated his silence as a protest. 我们把他的沉默解释为抗议。

6. stir [stɜ:(r)]

n.感动(激动，愤怒或震动)，搅拌，骚乱；vt.激起，惹起，搅和；vi.挪动，活动，离开，搅拌，激动

to mix a liquid or other substance by moving an object such as a spoon in a circular pattern

例句：

1. Give the soup a stir. 把汤搅拌一下。

2. Don't stir up trouble between them. 不要在他们之间惹麻烦。

7. creep [kri:p]

vi.爬行，匍匐；蹑手蹑足地走，缓慢地行进

to move slowly , quietly and carefully , usually in order to avoid being noticed

例句：

1. The baby is just learning to creep. 这个婴儿才学着爬。

2. I would not creep along the coast. 我不愿在岸边爬行。

8. classify [ˈklæsɪfaɪ]

vt.把…分类，把…分等级；把…列为

to divide things into groups according to their type

例句：

1. Men in the post office classify mails according to places it is to go. 邮局里的人员将信件按寄送地点分类。

2. He carefully began to classify the results of his examinations. 他开始细心地为他的检验结果分类。

9. circular [ˈsɜ:kjələ(r)]

adj.圆(形)的，环形的；循环的；n.传单，通报

shaped like a circle

例句：

1. The bright boy altered it to a circular form. 这个聪明的男孩把它改成了圆形。

2. The lamp stands on a circular base. 这盏台灯是装在圆形底座上的。

10. enclose [ɪnˈkləʊz]

vt.围住，包住；把…装入信封，附入

to surround

例句：

1. I'll enclose his letter with mine. 我将他的信装入我的信中寄出。

2. I enclose two tickets along with this letter. 我随信附上两张票。

11. flourish [ˈflʌrɪʃ]

vi.茂盛，繁荣，兴旺；vt.挥动(以引起注意)；n. 兴旺；茂盛；挥舞；炫耀；华饰

to grow or develop successfully

例句：

1. When the root is firm, the branches flourish. 本固枝荣。

2. She rode by with a flourish of her whip. 她骑马挥鞭而过。

12. patch [pætʃ]

n.补丁；斑；一小块地；vt.补，修补；vi.打补丁

a small area which is different in some way from the area that surrounds it

例句：

1. This patch looks a bit unprofessional. 这块补丁有点像出自外行之手。

2. We managed to patch our quarrel. 我们设法平息争吵。

13. transmit [trænsˈmɪt]

vt.播送，发射；传送，传递，传染

to broadcast something, or to send out or carry signals using radio , television , etc .

例句：

1. A telegram will be the quickest way to transmit the message. 打电报将是传递这个信息的最快途径。

2. These symbols transmit a message in a simple and direct manner. 这些标志用最简单直接的方式传达出一个信息。

14. lag [læg]

vi.走得慢，落后；n.滞后，(时间上的)间隔

to move or make progress so slowly that you are behind other people or things

例句：

1. Ten minutes later, some of runners in the race began to lag. 十分钟后，有些参赛的人开始落后了。

2. There is a time lag of about fifteen years. 时间上有一段约15年的间隔。

15. diameter [daɪˈæmɪtə(r)]

n.直径

(the length of) a straight line that reaches from one point on the edge of a round shape or object , through its centre , to a point on the opposite edge

例句：

1. The circle has a diameter of 6 inches. 这个圆直径六英寸。

2. A diameter passes through the center of a circle. 直径从圆心穿过。

16. organism [ˈɔ:gənɪzəm]

n.生物，有机体；(如生物的)机体、有机组织

a single living plant , animal , virus ,

例句：

1. The economy is not a mechanical device but a living organism. 经济不是一套机械装置，而是活的有机体。

2. Selection will root out such organism. 自然选择将把这些物种消灭掉。

17. electron [ɪˈlektrɒn]

n.电子

an extremely small piece of matter with a negative electrical charge

例句：

1. We arrange to get an electron on the stage of our microscope. 我们设法将一个电子置于显微镜架上。

2. If the energy is sufficient, this electron will be emitted. 如果能量是充分的，这个电子将被放射出来

18. excursion [ɪkˈskɜ:ʃn]

n.远足，短途旅行

a short journey usually made for pleasure , often by a group of people

例句：

1. I have arranged with my classmates for an excursion to the beach. 我已经跟同学们商量好去海滩远足的事。

2. Our class will make an excursion to the seaside. 我们班将去海边旅行。

19. bullet [ˈbʊlɪt]

n.枪弹，子弹

a small , metal object that is shot from a gun

例句：

1. The bullet wound in his shoulder was opened up for treatment. 切开他肩上的枪伤进行治疗。

2. The bullet missed me by a hair's s breadth. 那颗子弹差一点就打中了我。

20. father-in-law ['fɑ:ðə(r) ɪn lɔ:]

n.岳父，公公

the father of the person you are married to

例句：

1. He met his future father-in-law during his visit to Boston. 他在波士顿小住期间遇见了他未来的岳父。

2. His father-in-law is a plantation manager. 他岳父是个种植园经营者。