This was it. What could be an impossible effort in the history of spaceflight was ready to lift off on its final chance for success.

VOA: special.2009.07.01

So that you're not just handed something that's entirely new to you with no idea which direction to go, we actually do set you off on an appropriate path.

这样一来就不会因为面对完全陌生的东西,而不知何去何从了，我们真心希望能把你们带到正确的道路上来。

哈佛公开课 - 计算机科学课程节选

He learned Dutch-- and Dutch is a very difficult language-- in 1696, while the Turkish war went on, or one of them he went off to Western Europe incognito as an embassy soldier.

他学会了荷兰语,荷兰语是很复杂的,在1696年,当土耳其战争发生的时候,或者其中一次战争时,他以一名大使馆军人的身份匿名去了西欧

耶鲁公开课 - 欧洲文明课程节选

That could be good advice. If you strike high up on a tree with an axe, the chip of wood that is cut off will fall into your eye.

VOA: special.2010.01.17

Some proteins can be switched from an 'off' position where they don't do anything to an 'on' position where they now do something by only a chemical reaction like this where a phosphorous is added.

一些蛋白质可以从关闭状态的,无所作为,到成为开启状态后,执行某种功能,中间只发生了一个引入磷酸基的化学反应

耶鲁公开课 - 生物医学工程探索课程节选

An earthquake off Java in 2006 triggered a tsunami that killed about 600 people on the island's southern coast.

VOA: standard.2009.09.03

You don't need a light switch or a light bulb or an iPhone app to turn something on or off.

你不需要一个电灯开关,或者一个电管,或者打开关闭一个iPhone应用程序。

哈佛公开课 - 计算机科学课程节选

But Long,who set an Olympic long jump record during qualifying, gave Owens advice on how to improve his take-off.

VOA: standard.2009.08.19

If that protein is an enzyme then you've and you've switched it from an 'off' position where it's not catalyzing a reaction to an 'on' position where it is, you've changed the biochemical state of the cell, you've changed the chemical reactions that can occur within the cell, and you've changed its behavior.

如果这种蛋白是一种酶的话,你就能够将酶从无催化作用的静息态,激活至能催化反应的激活态,你改变了细胞的生化状态,也改变了细胞内发生的化学反应,改变了细胞的行为

耶鲁公开课 - 生物医学工程探索课程节选

An AWB official Wednesday stormed off a live television program after threatening a black guest with an opposing view on the issue.

VOA: standard.2010.04.08

In 2000,Russian President Vladimir Putin, signed off on an updated list of no-can-do jobs for women.

VOA: standard.2009.11.05

I got on the plane an American, and I got off the plane an Israeli,".

VOA: standard.2009.08.05

As none of the candidates are likely to receive an outright majority, a run-off ballot is expected between the two remaining top contenders on April 5.

VOA: standard.2009.03.22