英語四級(jí)高頻詞匯第016期

molecule

英 [?m?l?kju?l] 美 [?mɑ?l?kju?l]

n. [化學(xué)] 分子；微小顆粒，微粒

例句：

The DNA molecule is compounded from many smaller molecules.
脫氧核糖核酸分子是由許多更小的分子組成的。

A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由兩個(gè)氫原子和一個(gè)氧原子構(gòu)成。

Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
兩個(gè)氫原子和一個(gè)氧原子結(jié)合組成一個(gè)水分子。

conservation

英 [?k?ns??ve??n] 美 [?kɑ?ns?r?ve??n]

n. 保存，保持；保護(hù)

例句：

This proposal will incense conservation campaigners.
這項(xiàng)提議將激怒自然保護(hù)的倡導(dǎo)者。

The benefits of conservation are both financial and aesthetic.
保護(hù)自然環(huán)境在經(jīng)濟(jì)上和美化環(huán)境上都有好處。

Scientific research and conservation are intimately connected.
科學(xué)研究與環(huán)境保護(hù)聯(lián)系密切。

origin

英 [??r?d??n] 美 [???r?d??n]

n. 起源；原點(diǎn)；出身；開端

例句：

The origin of the custom is obscure.
該習(xí)俗的起源鮮為人知。

The origin of the word remains obscure.
該詞的來源尚不清楚。

They talked about the competing theories of the origin of life.
他們談?wù)撃切┫嗷ッ艿纳鹪蠢碚摗?/p>

acknowledge

英 [?k?n?l?d?] 美 [?k?nɑ?l?d?]

vt. 承認(rèn)；答謝；告知已收到；搭理

例句：

She refuses to acknowledge the need for reform.
她拒不承認(rèn)改革的必要性。

I did not acknowledge that he had done anything wrong.
我沒有承認(rèn)他犯了什么錯(cuò)。

You have to acknowledge that we live in a racist society.
你不得不承認(rèn)我們生活在一個(gè)有種族歧視的社會(huì)。

bundle

英 [?b?ndl] 美 [?b?ndl]

n. 束；捆

vt. 捆

vi. 匆忙離開

例句：

Her eyes suddenly alighted on the bundle of documents.
她的目光突然落到了這捆文件上。

That car must have cost a bundle.
那部車一定價(jià)格不菲。

She tied the newspapers in a bundle.
她把報(bào)紙?jiān)梢焕Α?/p>

回顧

1. molecule
2. conservation
3. origin
4. acknowledge
5. bundle