1.dramatic

adj. 戲劇性的,引人注目的,給人深刻印象的
n. (pl.)戲劇作品,戲曲

例句與用法:
The government is alarmed by the dramatic increase in violent crime. 政府對(duì)暴力犯罪案件的急劇增加感到恐慌。
A brief but dramatic appearance of a prominent actor, as in a single scene of a motion picture.
特寫一種簡要但有戲劇性的重要演員的出場(chǎng)，如動(dòng)作畫面的單一場(chǎng)景
Her opening words were dramatic.
她的開場(chǎng)白十分動(dòng)聽。

2.polar

adj. 兩極的,南轅北轍的,極地的

例句與用法:
Although they can swim, the polar bears are terrestrial animals.
北極熊雖然會(huì)游泳，但也是陸棲動(dòng)物。
The polar bear's habitat is the icy waters of the Arctic.
北極熊的棲息地是冰冷的北極海域。

3.obligate

v. 使負(fù)義務(wù),強(qiáng)制,預(yù)留

例句與用法:
He felt obligated to help.
他覺得有責(zé)任予以幫助.
We were obligated to attend the opening ceremony.
我們有必要參加開幕式.

4.take into account

vt. 考慮(注意,顧及,體諒)

例句與用法:
Good design also takes into account if the machining operations will be easily performed and how the work is held.
一個(gè)好的設(shè)計(jì)要考慮到加工工序是否容易進(jìn)行及工程如何掌握問題。
He will take into account my request.
他會(huì)考慮我的要求。

5.in general

adj. 總之(一般,通常,一般說來)

例句與用法:
She's disillusioned with life in general.
她對(duì)生活各方面均不抱幻想了.
In general her work has been good, but this essay is dreadful.
總的說來, 她的作品不錯(cuò), 不過這篇文章糟透了.
In general, people don't like to be made fun of.
大體上講, 人們都不喜歡被捉弄。

6.exacerbate

vt. 加重(使...惡化,激怒)

例句與用法:
Her mother's interference exacerbated the difficulties in their marriage.
她母親從中干預(yù)使他們的婚姻雪上加霜.
Scratching exacerbates a skin rash.
皮疹搔後會(huì)惡化.

7.close at hand

adv. 在眼前(在附近)

例句與用法:
He always kept the picture of his girlfriend's close at hand.
他總是把女朋友的相片放在身邊。
He lives close at hand.
他住在附近.