1. origin ['ɒrɪdʒɪn] n. 起源，源头；出身，身世

theories about the origin of life.

有关生命起源的各种理论。

The Origin of Species 《物种起源》

country/place of origin原产国/原产地

All meat should be clearly labelled with its country of origin.

所有肉类都要清楚地标出原产国。

The word is French in origin.

这个单词源于法语。

humble/noble origin

卑微/高贵的出身

people of Asian/German origin

亚洲血统的人/亚裔/德裔

original [ə'rɪdʒɪnəl] adj. 原始的，最初的；新颖的  n. 原作

The original plan was to go by bus.

起初的计划是乘公交车去。

His work is truly original.

他的作品很新颖。

I studied Italian so that I would be able to read Dante in the original.

我学习意大利语以便能读但丁的原作。

2. originate [ə'rɪdʒɪneɪt] vi. 发源，起源 vt. 创始，创作

originate in/from/as

The film originated from a novel.

这部电影源自一部小说。

This disease is thought to have originated in the tropics.

这种疾病据说起源于热带地区。

The town originated as a small fishing port.

这个城市最初是一个小渔港。

Einstein originated the theory of relativity in the early 20th century.

爱因斯坦于20世纪初创立了相对论。

The technique was originated by an Italian artist.

这种技艺由一位意大利艺术家首创。

3. snobbish ['snɒbɪʃ] adj. 势利的，自命不凡的

拉丁语sine nobilitate (non nobility,非贵族) →_snob: 势利眼，趋炎附势者

He had been rich, snobbish, and rude.

他很有钱，但为人势利粗暴。

I'd expected her to be snobbish but she was warm and friendly.

我原以为她会很势利，但她却热情而友好。

4. conduct

[kən'dʌkt] vt. 表现，为人；实施，组织，执行；指挥；引路，带领；传导(电、热)

conduct oneself

He conducted himself in a gracious manner. 他为人和蔼可亲。

He should learn how to conduct a meeting.

他应当学习如何主持会议。

The company conducted a survey to find out the public opinion.

公司实施了一项调查以了解民意。

Is it really necessary to conduct experiments on animals?

在动物身上做试验是否真有必要？

Dennis had recently begun a successful career conducting opera.

丹尼斯最近成功地开始了指挥歌剧的生涯。

The policeman conducted us safely to the railway station.

警察把我们安全地护送到火车站。

a conducted tour of England

在导游陪同下的英格兰之行

Metals conduct electricity.

金属导电。

conduct ['kɒndʌkt] n. 行为，举止；实施办法，执行

code of conduct 行为准则，行为规范  

All professions have a code of conduct.

所有职业都有一套行为准则。

You are expected to maintain a high standard of personal conduct at work.

在工作中，你要保持高标准的个人行为。              

criticism about the conduct of the elections

对选举方式的指责

5. semiconductor [‚semikən'dʌktə] n. 半导体

semi-: half “一半”

semiconductor integrated circuit 半导体集成电路

6. celebrity [sɪ'lebrɪtɪ] n. 名人，明星；名望

Numerous television celebrities attended the ceremony.

许多电视名人出席了典礼。

We invited a number of minor celebrities.

我们邀请了一些小有名气的人物。(not very famous)

He achieved celebrity as a sports commentator.

他作为一名体育评论员而享誉四方。