英語四級高頻詞匯第047期

particle

英 [?pɑ?t?kl] 美 [?pɑ?rt?kl]

n. 顆粒；[物] 質(zhì)點；極小量；小品詞

例句：

A proton is an elementary particle of matter that possesses a positive charge.
質(zhì)子是帶正電荷的物質(zhì)的基本粒子。

A patron is an elementary particle of matter.
質(zhì)子是物質(zhì)的一種基本粒子。

Particle physicists and astronomers collaborate often.
粒子物理學(xué)家和天文學(xué)家經(jīng)常合作。

episode

英 [?ep?s??d] 美 [?ep?so?d]

n. 一段經(jīng)歷；插曲；一段情節(jié)；（電視連續(xù)劇或廣播的）一集；插話；有趣的事件

例句：

The final episode will be shown next Sunday.
最后一集將于下周日播放。

It makes you want to watch the next episode to find out what's going to happen.
這使你想看下一集，以弄清接下來要發(fā)生什么。

I'd like to try and forget the whole episode.
我倒想盡量把那段經(jīng)歷全部忘掉。

legislation

英 [?led??s?le??n] 美 [?led??s?le??n]

n. 立法；法律

例句：

Legislation requires approval by both houses of parliament.
立法須得到議會兩院的一致通過。

The legislation is still in draft form.
這條法規(guī)還只是項草案。

The legislation will be difficult to enforce.
這一法規(guī)將難以實施。

elaborate

英 [??l?b?r?t; ??l?b?re?t] 美 [??l?b?r?t; ??l?b?re?t; ??l?b?r?t]

adj. 精心制作的；詳盡的；煞費苦心的

vt. 精心制作；詳細(xì)闡述；從簡單成分合成（復(fù)雜有機(jī)物）

vi. 詳細(xì)描述；變復(fù)雜

例句：

She went on to elaborate her argument.
她進(jìn)而詳盡闡述了她的論點。

She had prepared a very elaborate meal.
她做了一頓精美的飯菜。

He is known for his elaborate costumes.
他以其繁麗的服裝著稱。

optional

英 [??p??nl] 美 [?ɑ?p??nl]

adj. 可選擇的，隨意的

例句：

Certain courses are compulsory, others are optional.
某些課程是必修的，其他是選修的。

Optional extras include cooking classes at a top restaurant.
可選的額外之物包括一家高級餐館的烹飪課程。

The course consists of ten core modules and five optional modules.
這門課程包括十個必修單元和五個選修單元。

回顧

1. particle
2. episode
3. legislation
4. elaborate
5. optional