英語四級通關(guān)訓(xùn)練 第0251期

fractional

英 [?fr?k??n(?)l] 美 [?fr?k??nl]

adj. 部分的；[數(shù)] 分?jǐn)?shù)的，小數(shù)的

例句：

In your fractional distillation condenser.
或在分餾冷凝器。

Avoids fractional licensing for multi-core chips.
避免為不同的多核芯片采用不同的許可證機(jī)制。

You see, fractional reserve banking works both ways.
那你看，部分準(zhǔn)備金銀行制度在兩個(gè)方向同時(shí)運(yùn)作。

usually

英 [?ju??u?li; ?ju???li] 美 [?ju??u?li; ?ju???li]

adv. 通常地，經(jīng)常地

例句：

She usually wears long skirts.
她通常穿長裙。

Windows are usually sealed off.
窗戶通常是封閉的。

Usually, the work is boring.
通常這種工作很乏味。

courageous

英 [k??re?d??s] 美 [k??re?d??s]

adj. 勇敢的，有膽量的

例句：

The children were very courageous.
孩子們都很勇敢。

It was a very frightening experience and they were very courageous.
那是一次非常令人恐懼的經(jīng)歷，但他們非常勇敢。

Louis was shown as an intelligent, courageous and virtuous family man.
路易斯看上去是一個(gè)聰明、勇敢而且品德高尚的顧家男人。

imperative

英 [?m?per?t?v] 美 [?m?per?t?v]

adj. 極重要的，必要的；命令的，強(qiáng)制的；祈使的

n. 重要緊急的事，必要的事；祈使語氣，祈使語氣動(dòng)詞；命令

例句：

In 'Go away!' the verb is in the imperative.
Go away!中的動(dòng)詞是祈使語氣動(dòng)詞。

It is absolutely imperative that we finish by next week.
我們的當(dāng)務(wù)之急是必須于下周完成。

The most important political imperative is to limit the number of U.S. casualties.
政治上的當(dāng)務(wù)之急是控制美國的傷亡人數(shù)。

surroundings

英 [s??ra?nd??z] 美 [s??ra?nd??z]

n. 周圍環(huán)境，周圍事物

例句：

We dined in sumptuous surroundings.
我們在富麗堂皇的環(huán)境中用餐。

She felt uneasy in the unfamiliar surroundings.
她在陌生的環(huán)境中感到局促不安。

Schumacher adapted effortlessly to his new surroundings.
舒馬赫毫不費(fèi)力地適應(yīng)了他的新環(huán)境。

回顧

1. fractional
2. usually
3. courageous
4. imperative
5. surroundings