The drug is nevirapine. If it is given within seventy-two hours after birth, it can often protect babies from H.I.V.

VOA: special.2010.05.24

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 it is right, I'm going to print out the information but I'm also going to change that variable to true.

看如果它是对的,它是对的的话,我将会输出结果。

麻省理工公开课 - 计算机科学及编程导论课程节选

If it is compromised,then the bees could not defend themselves against pesticide products, fungal infections, bacteria or poor nutrition.

VOA: special.2009.09.22

If it is a lab it will include the lab instructions and often all the tools if there are software tools that are needed for that lab.

如果是实验室，将会包含实验指导,如果需要软件工具的话,还会提供工具。

麻省理工公开课 - 媒体、教育、市场课程节选

G.M.has until June first to offer a plan to the government if it is to receive new government loans.

VOA: special.2009.05.01

So, the mere fact, if it is a fact, suppose the facts about life and death are as I've described them.

所以，事实不过是，如果这算是事实的话，假设关于生和死的事实正如我所描述的那样。

耶鲁公开课 - 死亡课程节选

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

VOA: special.2010.03.02

The power of linearity is F=k1+k2 if I come across f of x, y, z equals k1 plus k2, if it is a linear equation, I don't have to go and solve it all over again.

线性的威力是,一个方程，如果它是个线性方程，那么我就不用再去解他了。

麻省理工公开课 - 固态化学导论课程节选

They understand that they are getting value for their money: A cow is worth nearly twice as much if it is vaccinated.

VOA: special.2009.11.03

We want to figure out if the harmony is changing, and if it is changing whether it's changing at a regular or irregular rate.

一是判断和声是否发生了变化，二是如果发生了变化，和声的变化频率是规则还是不规则的。

耶鲁公开课 - 聆听音乐课程节选

She often said: "You must never so much as think if you like it or not, if it is bearable or not.

VOA: special.2009.07.26

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

If it is necessary to borrow some money to fix the car, you should look for a friend who is an "easy touch".

VOA: special.2009.06.07

He needs to know about the structures of the molecules, because if the structure is wrong it's not going to work.

他想要让它们成键，他需要知道分子结构，因为如果结构不对。

麻省理工公开课 - 化学原理课程节选

she said. "I will drink whatever you make for me, even if it is a poison."

VOA: special.2009.09.26

This is not a perfectly competitive market, but if it were, that's where price is going to end up.

这个案例的情况不是完全竞争市场,但是如果是,这个就是最终的价格

耶鲁公开课 - 博弈论课程节选

In the same way, evidence must be designed perfectly if it is to frame an innocent person to make him or her seem guilty.

VOA: special.2010.02.21

Then we realize once again that we can only know what it is if we come to understand--in this case, probably, it's best to say a cultural system, understood as a semiosis, within which it appears.

这样我们就又明白了,只有在一个特定的文化系统中,我们才能认识一个符号。

耶鲁公开课 - 文学理论导论课程节选

They told her that a beautiful voice can be destroyed if it is not trained.

VOA: special.2009.01.18

Redistribution is a - if you think about it, says the libertarian is a kind of coercion.

仔细想想，再分配这个概念，按自由主义者的话来说，就是强迫。

耶鲁公开课 - 公正课程节选

If it is a meter or more thick, however,blue light often can be seen.

VOA: special.2010.01.05

And this is no surprise if what we are is the workings of our physical brains, but it is extremely difficult to explain if one is a dualist.

如果我们的本质就是生理大脑的活动,那这也就没什么可惊奇的,但对于二元论者来说,解释这些却是非常困难的

耶鲁公开课 - 心理学导论课程节选

A business,a discovery, a simple event pans out well if it is successful.

VOA: special.2010.04.25

The general view is that if it's not extreme the rise is not too extreme it's good for the health of the economy as long as we don't have inflation that's too high.

一般的观点是如果它不极端,价格提升不太严重的话,只要我们没有太高的通货膨胀,它就对经济有好处。

耶鲁公开课 - 金融市场课程节选

Cervical cancer is highly curable if it is found early.

VOA: special.2009.11.25

So this is the percent error and what you see here is that if the number is below the zero line it means people underestimated the calories, and the bars that go above means people overestimated the calories.

这是百分比误差,你们看,如果数字低于零,这表示人们低估了卡路里,高于零表示人们高估了卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If it is all that they can offer, I think the results are not likely to be that great,".

VOA: standard.2009.10.15

If it is, in fact, positive, then we're going to go in here, but now notice what we're doing here.

如果这个数实际上是个正数，那么我们就到,这里面来，但是请注意我们在这做了什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

Last time we checked the type and said if it is a float you're okay. If not, carry on.

并且会告之是否是一个浮点数,如果不是继续循环。

麻省理工公开课 - 计算机科学及编程导论课程节选