If they had, they would have been tested to see if they needed treatment to prevent an infection like H.I.V.or hepatitis.

VOA: special.2010.02.10

OK. So if we have variables, one of the questions we can ask is, what's the type of the variable.

好，如果我们有了一个变量，我们要问的问题之一就是，这个变量的类型是什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

If you have a quantity which is constant over any closed path, that quantity is a thermodynamics state function.

如果有一个物理量,对任何闭合回路积分是常数，这个物理量就是一个热力学态函数。

麻省理工公开课 - 热力学与动力学课程节选

It might help some get into a top college, but only if they have above-average scores in the first place.

VOA: special.2009.09.17

So that means that if we have three orbitals, we can only have six electrons in those complete three orbitals.

所以那意味着如果我们有3个轨道，我们有且只能有6个电子,在这3个完整的轨道。

麻省理工公开课 - 化学原理课程节选

But his defense lawyer asked the jury to decide if citizens have the right to criticize public officials.

VOA: special.2009.04.20

For example, F x y z if I have an equation that looks like this, f of x, y, z.

打个比方，我有个这样的方程。

麻省理工公开课 - 固态化学导论课程节选

People watching the show are asked to telephone if they have information that could help capture the criminals.

VOA: special.2010.05.05

What do you have and how is it different ? if you have a different two out of three?

这种关系和爱有什么不同,如果具备其中的某两个要素？

耶鲁公开课 - 心理学导论课程节选

Maybe even lots of snow. If you do not have to drive in it or remove it, snow can be very beautiful.

VOA: special.2009.01.26

If they have an underperforming fund, sometimes they allow it to die a dignified death; although, that doesn't happen very often.

如果他们旗下有一支表现不佳的基金,他们可能会让基金退市,当然这种情况不常发生

耶鲁公开课 - 金融市场课程节选

Individuals and organizations can bring a lawsuit in court if they believe they have suffered a civil wrong.

VOA: special.2009.08.31

It's the outcome of a race one's running faster than all of the other guys and it's as if to have a career at all one has no choice but to come in first.

这里讲的是一项竞赛的结果,某个人比其他所有人跑的都快,就好像这场竞赛中,除了第一你别无选择。

耶鲁公开课 - 弥尔顿课程节选

This means that you can rise above your problems if you have a goal and work very hard.

VOA: special.2009.03.01

But it turns out that on Macs and if you have the right software on PCs, you can kind of get a teaser of what this environment tends to look like and be forewarned, what you're about to see is intentionally very underwhelming.

事实上，它是运行在苹果机上的,如果你在电脑上有正确的软件，可以去看看这个环境大致是怎么样的,提前说下，这个程序不会让你印象深刻,我是故意这样做的。

哈佛公开课 - 计算机科学课程节选

If you have any sort of a mass or growth in your neck at the same time, that would be very suspicious."

VOA: special.2009.09.02

And then people see what would have happened if they would have chosen the other option.

然后他就会看到,选择其他选项会挣到多少。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

And while you're there, tell us if you have been able to quit smoking, and what advice you might have for others.

VOA: special.2010.05.31

The reason why I do put them up is so that you have the opportunity if you want to see it again or if you have to miss a class.

我之所以把资料放在网上是为了,让你们可以重温或者学习错过的课程。

哈佛公开课 - 幸福课课程节选

If you have questions about life in America, we might be able to answer them on this program.

VOA: special.2009.01.02

All right, so before I begin I just want to say I want to keep this pretty informal so feel free to jump in if you have comments, questions if you disagree with me.

在我开始之前,我想说,不需要那么正式,如果大家有什么见解或者问,如果大家有什么不同意见,希望大家有一些不同的见解。

麻省理工公开课 - 电影哲学课程节选

But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.08.12

There are also interesting breakdowns by gender, and so if we look at the males and the females on the left here, you see that the females have a higher risk of consequences if they have metabolic syndrome then the males do.

不同性别患代谢综合征的情况也有差异,左边两个柱子分别代表男性和女性,可以看出患代谢综合征的女性的患病风险,比男性患者要高

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The trees are pretty even if they have not yet reached their full colors in the fall.

VOA: special.2009.09.21

But if life would no longer have anything good to offer you, if what you then would have had would have been something negative instead of something positive, then at that point, dying wouldn't actually be a bad thing.

但是当生命再也不能向你提供美好，届时我们面对的是,消极的而非积极的东西，那时死亡可能不是一件坏事。

耶鲁公开课 - 死亡课程节选

However,snow can become hard and flat as it becomes older or if there have been strong winds.

VOA: special.2010.01.05

And then, if we have time at the end, we'll introduce one last topic, which is isoelectronic atoms and ions.

最后，如果有时间的话，我们将再介绍最后一个主题：,等电子原子与离子。

麻省理工公开课 - 化学原理课程节选

Some people who like to eat very hot chili peppers say that they can help you breathe better if you have a cold.

VOA: special.2009.04.21

If you have the number of moles and two intensive variables, then you know everything there is to know about the system.

如果你有摩尔数,和两个强度量，你就能知道关于这个系统的一切,关于系统的平衡态的一切。

麻省理工公开课 - 热力学与动力学课程节选

So, seven asks us if we have any valence electrons left, and how many valence electrons do we have left?

那么，第七步问我们是否还有价电子剩下，我们剩下了几个价电子？

麻省理工公开课 - 化学原理课程节选