But Americans were hopeful. If the plan succeeded, it would be the greatest space act since manned flights began.

VOA: special.2009.06.24

it becomes a gray area but it should be pretty clear if you can treat something is reversible are irreversible.

这是个灰色区域,但什么可以当作可逆过程处理,而什么要当作不可逆过程,这是相当清楚的。

麻省理工公开课 - 热力学与动力学课程节选

then I think absolutely plastic surgery can... maybe should be used if it's going to help with your self-confidence.

那么我觉得整形手术一定能……如果它能帮你增强自信，就应该整形。

关于整形手术 - SpeakingMax英语口语达人

He said the United States must build up its sea power,too, if it wanted to be a great nation.

VOA: special.2010.07.08

And if it is going to be a standing wave then this must be an integral number of wavelengths.

如果这有个驻波的话,那么周长就是个整数。

麻省理工公开课 - 固态化学导论课程节选

If I can be the one to save it from that danger, then my health and life are not important."

VOA: special.2009.03.19

If asked the case, then we as a business school need to be thinking about if it is changing the entire way which we proceed to do business.

被问到这个问题时,我们作为商学院要思考,技术是否完全改变了,今后教育的形式。

麻省理工公开课 - 媒体、教育、市场课程节选

It was already eight o'clock and Sylvie wondered if her grandmother would be angry with her for being so late.

VOA: special.2010.04.03

It's as if the commodity of the bride is deemed truly valuable only if it can be guaranteed pure and untouched.

这就好像新娘这件商品,只有在完全的纯净没有动过才是有真正价值的。

耶鲁公开课 - 弥尔顿课程节选

An object in the solar system could be identified if it appeared to move from its place in the earlier photograph.

VOA: special.2010.07.11

As Heidegger points out in this passage, that's a thought experiment which, if it can be done at all, derives from that prior knowledge.

海德格尔在文章中指出，这个思想实验，在可以实现的前提下，来源于之前的知识。

耶鲁公开课 - 文学理论导论课程节选

If all these things were not done,Calhoun said, then it would be better to separate, to part in peace.

VOA: special.2009.03.26

You can compel the compiler to treat some value as a different type of value, at least if it makes intuitive sense that that should be possible.

你可以控制编译器处理,不同类型的数据，至少我们凭直觉,它应该是可能的。

哈佛公开课 - 计算机科学课程节选

However,he says, it remains to be seen if it is possible for cities to paint their roofs white.

VOA: special.2010.03.02

Well, on the one hand, if we make it be me and similar to me, boredom's going to set in.

一方面，如果永生的是我且与我相似，无聊将成为问题。

耶鲁公开课 - 死亡课程节选

If that is the case, it may be possible that the moon could hold enough water for future explorations or even colonies.

VOA: special.2009.12.30

It's not a simple matter. Imagine what it would be like if you had to learn about sixty such things?

绝不是个简单的事,想象一下如果你得学,六十个字母会是什么状况

耶鲁公开课 - 古希腊历史简介课程节选

He said it would be best to let the people themselves decide if New Mexico would be a slave or free state.

VOA: special.2009.03.12

So if you think of a shell, you can actually just think of an egg shell, that's probably the easiest way to think of it, where the yolk, if you really maybe make it a lot smaller might be the nucleus.

可以把它想成，个蛋壳，这也许是，最简单的思考办法,蛋黄如果，缩小非常多倍的话,就可以想象成核子。

麻省理工公开课 - 化学原理课程节选

The idea was that if the public knew what a criminal looked like, it would be harder for that person to hide.

VOA: special.2010.05.05

And yet get a valid test. Sometimes it can be timing. If you're running multiple processes.

有些时候当你运行多线程时,是因为时间的原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

Historians say the trial formed the beginning of the legal idea that a statement is not libelous if it can be proven true.

VOA: special.2009.04.20

One of the things that was interesting, when we were talking about the Sooka, was this idea that the Sooka should be weak enough and it would be destroyed if a big storm comes through.

有一件很有意思的事情，我们当时谈到了苏卡这个地方，意识到它其实很脆弱,很可能被即将到来的风暴摧毁。

普林斯顿公开课 - 人性课程节选

A listener wanted to know if Billie Jean is considered a girl's name, or if it can be used as a boy's name.

VOA: special.2009.07.06

As we expected, it's less than one, and of course if we build an engine, we want it to be as high as possible, as close to one as possible.

就像预先期待的一样，效率小于一，当然如果我们建造一台热机，我们希望效率越高越好，尽可能接近一。

麻省理工公开课 - 热力学与动力学课程节选

They say if the FDA approves it for sale, people should be told what they are buying.

VOA: special.2010.10.05

It must not be taken even if it's for the purposes of nourishment.

即使为了果腹，也不能引用。

耶鲁公开课 - 旧约导论课程节选

People may be required to take it if they apply for jobs with companies or other employers.

VOA: special.2009.01.15

It will just as likely be misunderstood if you read it three, four, five, or ten times, if you are not attentive to what he's saying.

仍可能误解,但就算是你读了三遍，四遍，五遍或十遍，如果你没有仔细分辨他所说的话。

耶鲁公开课 - 政治哲学导论课程节选

2% You could say, I think my portfolio has an expected return of 12%-- that would be better than if it had an expected return of 10%.

如果一个投资组合的预期收益率有-,那就比一个只有10%的投资组合要好。

耶鲁公开课 - 金融市场课程节选