知识感悟
一、词汇详解
1.attack vt.&vi.攻击;疾病发作,侵袭
n.攻击;疾病发作
【典型例句】
The enemy attacked during the night.
敌人在夜间发动攻击。
The disease attacked his bones.
病患已侵袭了他的骨骼。
The famous master swimmer had an attack of cramp and had to give up the contest.
那个著名的游泳健将突然抽筋,不得不退出比赛。
As soon as he arrived at the workshop,the technician attacked the difficulties at once.
技术员一到车间就立即着手解决困难。
【相关链接】
a heart attack 心脏病发作
make an attack on/upon ... 对......发动进攻
2.frightening adj.令人害怕的;使人惊恐的
【典型例句】
When watching the frightening movie,quite a few girls were frightened.
看那部令人恐惧的电影时,很多女孩都被吓着了。
The child stared at the frightening man with frightened eyes.
那小孩以惊恐的眼神看着那个令人害怕的男人。
【要点归纳】
frightening是动词的现在分词转化成的形容词,有主动的含义,意为"令人恐惧的,引起恐惧的"。
【相关链接】
fright n.害怕;惊骇
frighten v.使惊吓;惊恐
frightened adj.受惊的;感到害怕的
3.exist vi. 存在;生存;生活
【典型例句】
The Roman Empire existed for several centuries.
罗马帝国存在了好几个世纪。
They are so poor that they can hardly exist.
他们穷得几乎无法生活。
【相关链接】
existence n.存在,存在物
nonexistence n.不存在的事
in existence 存在;现有 No sweet without sweat.先苦后甜。
come into existence 开始存在;产生;成立
4.sharp adj.锋利的;强烈的;急剧的
adv.锐利地;急速地;准时地
【典型例句】
This is a needle with a sharp point.