NATO officials say one helicopter crashed in western Afghanistan after U.S.and Afghan forces raided what was described as a militant hideout.

VOA: standard.2009.10.26

one is to look at the sequence of event, look at these sequence in October 29, stock market crashed, two month later, 9% unemployment peaked at 9%.

一种是看看事件发生的时间，看看顺序,10月29号，股票市场崩溃，两个月后，失业率上升到。

斯坦福公开课 - 经济学课程节选

and crashed onto all of the stuff in the bedroom.

然后砸下来，压在卧室里所有的东西上。

在工作室发生的事 - SpeakingMax英语口语达人

Earlier Monday, two coalition helicopters collided and crashed in southern Afghanistan.

VOA: standard.2009.10.26

in--it peaked in 1886 and then it crashed.

在1886年时达到顶峰,之后就崩溃了

耶鲁公开课 - 金融市场课程节选

In nineteen-ninety seven, John Denver was killed when the plane he was piloting crashed.

VOA: special.2009.07.10

So eight months after the stock market crashed, ve not hit the double digits in unemployment.

也就是说股票市场崩溃的八个月中，失业率都没有达到两位数，we’

斯坦福公开课 - 经济学课程节选

She crashed one time in a field of cabbage plants.

VOA: special.2010.05.26

In 2004,a U.S.helicopter crashed on a local university.

VOA: standard.2009.11.11