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

The final exam: you should do well if you read, and if you come to lecture and if you attend section.

期末考：如果你读了，上课了，讨论了,期末考试对你来说将轻而易举。

耶鲁公开课 - 1945年后的美国小说课程节选

If my code is correct, what should the average price be, after say, 100 days, if there's no bias. Pardon?

如果我的代码没写错的话，如果没有偏向值那平均价格会是多少呢，如果没有偏向值，请说？

麻省理工公开课 - 计算机科学及编程导论课程节选

If the tests show a high possibility, a married couple must decide if they want to risk a pregnancy.

VOA: special.2010.03.23

So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.

因此如果我们把它们都加起来，这个分子上应该没有净电荷，如果这个分子是中性的话。

麻省理工公开课 - 化学原理课程节选

Missus Graham had to decide if the paper would publish the stories and risk possible punishment by the government.

VOA: special.2009.04.26

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

We can never just have it there before us or, as I say, if we can--if we can--it's a very, very difficult act of concentration.

我们永远不能只面对着它，或者，要我来说，如果我们可以的话，那将需要高度集中注意力，这是很难的。

耶鲁公开课 - 文学理论导论课程节选

Some black clergymen said that if black people were supposed to have straight hair, God would have given it to them.

VOA: special.2010.03.28

If I stop, if I move slowly, if I move more slowly then these two will want equilibrium.

如果我停下来，如果我缓慢地移动活塞,非常缓慢，结果这两个压强会平衡。

麻省理工公开课 - 热力学与动力学课程节选

Tradition says that if a groundhog sees its shadow, that means people can expect six more weeks of winter weather.

VOA: special.2009.02.03

If you're rich you'll get a better education, if you're smart people will like you more, if you're attractive and so on.

如果你富有，你能接受更好的教育，如果你聪明，别人会更喜欢你，如果你有吸引力等等。

耶鲁公开课 - 心理学导论课程节选

The attorney general and the secretary of state threatened to resign if President Buchanan gave in to South Carolina's demands.

VOA: special.2009.07.23

How would it strike you if you knew nothing about it, if you had never heard of it before, if you open up the covers of this book for the first time?

如果你对新约一无所知，如果你对新约为所未闻，如果这是你，第一次翻开新约，会有什么感觉？

耶鲁公开课 - 新约课程节选

If you use an alcohol-based product instead of soap and water, make sure it contains at least sixty percent alcohol.

VOA: special.2010.09.29

And then, you start thinking, "Well, I could really start doing this if only X and if I had this person or if this technology existed or if this happened or this happened."

之后，你会开始思考，恩，只要某项条件成熟了，只要我认识这个人,或是如果这个技术存在,或是如果这个或那个发生了，我就能开始落实这个点子了“

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

If not,she says, they may be at increased risk for age-related broken bones years after their visits to space.

VOA: special.2009.03.10

So stand up if you're here and if you're that person's roommate if they're not here.

如果你本人或者你是获奖者,的室友的话请你们起立

耶鲁公开课 - 博弈论课程节选

If we had an honest discussion, both of us would know that the other person's heart is in the right place.

VOA: special.2010.07.11

Maybe that's miniscule, but maybe it's going to be fun for you, especially if you have a sort of theatrical bent, or if you like getting up in front of people, or if you're just really, really passionate about a novel that you want everyone to read.

这可能不值一提，但可能对你们来说很有意思，尤其如果你喜欢戏剧，或者喜欢在人们面前表现，或者你只是对这部小说很有热情,希望大家都来读。

耶鲁公开课 - 1945年后的美国小说课程节选

Failing to report an injury like this,can be dangerous if a patient,or a medical worker, has an infectious disease.

VOA: special.2010.02.10

If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.

如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。

哈佛公开课 - 计算机科学课程节选

They will earn extra points in the Race to the Top if they approve the standards by August second.

VOA: special.2010.07.22

There's a kind of aspect of value for many of us where we feel that something's especially valuable if it won't endure, if it's fragile, or if it's rare.

对我们许多人来说，有一种价值的方面在于,如果某事物不是持续的，如果是易碎的,或者是稀有的，我们就觉得它特别有价值。

耶鲁公开课 - 死亡课程节选

At the Million Dollar Cowboy Bar, instead of chairs, they can sit on saddles as if riding a horse.

VOA: special.2009.02.16

So, if you have a sixty-one you're from the Ain, and if you have a sixty-two you're from the Pas-de-Calais, or if you have a sixty-three you're from the Puy-de-Dome.

如果是61的话,就来自安省,如果是62,就来自加莱海峡省,如果是63的话,就来自多姆山省

耶鲁公开课 - 1871年后的法国课程节选

We are not sure if Muhammad means the favorite sport to watch or to play so we will include both.

VOA: special.2010.01.29

If you measured, if somebody measured levels of insulin in your blood after lunch, if they took it 10 minutes, 30 minutes, an hour, you would see that it's going slowly up.

如果这时候检测,如果有人测量午饭后十分钟,三十分钟,及一个小时血液中的胰岛素水平,就会发现它在缓慢地升高

耶鲁公开课 - 生物医学工程探索课程节选

I'm wondering if Dudley and Steven had asked for Richard Parker's consent in you know, dying, if that would exonerate them from an act of murder and if so, is that still morally justifiable?

我想知道达德利和斯蒂芬斯,是否征得过派克的同意，取他的性命，是否那样就能赦免他们的谋杀罪名,是否这样，道德上就是正当的？

耶鲁公开课 - 公正课程节选