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UNIT 2
一、word study
exert,collapse,lauch,operate
① exert
vt.盡（力）；發(fā)揮（威力等）；施加（壓力等）；產(chǎn)生（影響等）；行使（職權(quán)等）
He has exerted all his strength to attain his goal.
他已盡了全力以達(dá)到自己的目標(biāo)。
He has been exerting a lot of pressure on me to change my mind.
他一直在施加種種壓力要我改變主意。
These principles exerted great influence upon the course of the revolution.
這些原則對革命進(jìn)程產(chǎn)生了很大的影響。
② collapse
n.1、倒塌，崩潰，瓦解；2、（健康等）垮掉，（因精疲力竭等原因）倒下
The storm caused the collapse of the wooden shelter.
暴風(fēng)雨使這個避風(fēng)雨的木棚倒塌了。
He suffered from a nervous collapse.
他的精神崩潰了。
The collapse of the government left the country in confusion.
政府的倒臺使全國陷入混亂之中。
vi.倒塌，崩潰
The roof collapsed under the weight of the snow.
屋頂被雪壓塌了。
The negotiations collapsed after several meetings.
會談了幾次之后，談判破裂了。
In the last weeks of the war she collapsed from long imprisonment.
在戰(zhàn)爭的最后幾個星期里她的身體因長期監(jiān)禁而垮掉了。
③ lauch
vt 1、發(fā)射，投射；2、使（船）下水
The satellite was launched in a rocket.
這顆衛(wèi)星是由火箭發(fā)射的。
The hunter launched a spear at the wolf.
獵人把矛向狼擲去。
A new ship has been successfully launched.
一條新船已成功地下水。
vt ./vi.發(fā)動，發(fā)起（運(yùn)動等）
launch out into 開始，著手進(jìn)行
Our army launched an attack on the enemy.
我們的軍隊向敵人發(fā)起猛攻。
The police launched an investigation into the case.
警察對此案開展了調(diào)查。
The research group launched out into a series of new experiment.
研究小組著手進(jìn)行了一系列新的實驗。
UNIT 2
一、word study
exert,collapse,lauch,operate
① exert
vt.盡（力）；發(fā)揮（威力等）；施加（壓力等）；產(chǎn)生（影響等）；行使（職權(quán)等）
He has exerted all his strength to attain his goal.
他已盡了全力以達(dá)到自己的目標(biāo)。
He has been exerting a lot of pressure on me to change my mind.
他一直在施加種種壓力要我改變主意。
These principles exerted great influence upon the course of the revolution.
這些原則對革命進(jìn)程產(chǎn)生了很大的影響。
② collapse
n.1、倒塌，崩潰，瓦解；2、（健康等）垮掉，（因精疲力竭等原因）倒下
The storm caused the collapse of the wooden shelter.
暴風(fēng)雨使這個避風(fēng)雨的木棚倒塌了。
He suffered from a nervous collapse.
他的精神崩潰了。
The collapse of the government left the country in confusion.
政府的倒臺使全國陷入混亂之中。
vi.倒塌，崩潰
The roof collapsed under the weight of the snow.
屋頂被雪壓塌了。
The negotiations collapsed after several meetings.
會談了幾次之后，談判破裂了。
In the last weeks of the war she collapsed from long imprisonment.
在戰(zhàn)爭的最后幾個星期里她的身體因長期監(jiān)禁而垮掉了。
③ lauch
vt 1、發(fā)射，投射；2、使（船）下水
The satellite was launched in a rocket.
這顆衛(wèi)星是由火箭發(fā)射的。
The hunter launched a spear at the wolf.
獵人把矛向狼擲去。
A new ship has been successfully launched.
一條新船已成功地下水。
vt ./vi.發(fā)動，發(fā)起（運(yùn)動等）
launch out into 開始，著手進(jìn)行
Our army launched an attack on the enemy.
我們的軍隊向敵人發(fā)起猛攻。
The police launched an investigation into the case.
警察對此案開展了調(diào)查。
The research group launched out into a series of new experiment.
研究小組著手進(jìn)行了一系列新的實驗。