A "run on the bank" usually happens when people believe there is danger a bank may fail or close.

VOA: special.2009.04.26

When we have an isolated system, the criterion that determineswhether something happens spontaneously is the entropy has to increase.

对于孤立系统,决定一个过程是否自发发生的判据为：,熵必须增加。

麻省理工公开课 - 热力学与动力学课程节选

When it does happen, and it happens too often for my liking, the students just get a zero.

如果真的有人抄袭了，把我惹毛了，我就会给学生打零分。

对于抄袭的想法 - SpeakingMax英语口语达人

The two thousand-seven film "Away From Her" tells what happens to one marriage when a partner suffers from the disease.

VOA: special.2009.09.15

So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.

这个非常方便，当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。

麻省理工公开课 - 热力学与动力学课程节选

And when this happens,sir, the U.S.will be importing food, only there won't be any place from where to import it."

VOA: special.2009.11.10

When you call a function, what actually happens is that function gets its own chunk of memory that's identical in size to the data type that it expects.

当你调用一个函数，实际上发生的是,函数得到了自己的内存块，相同的类型,是占有一样大小的内存的。

哈佛公开课 - 计算机科学课程节选

This happens when an official language is used more often and children stop learning the local language of their parents.

VOA: special.2009.12.02

I think I had managed to get to this point here where I show what happens when the cation, here sodium, is in contact with the anion here, chlorine.

我想我能回到这儿,当阳离子，在这里是钠，和阴离子，氯离子接触会发生什么。

麻省理工公开课 - 固态化学导论课程节选

There are two kinds of strokes. An ischemic stroke happens when a blood vessel in the brain gets blocked.

VOA: special.2009.09.22

After that, he's essentially, well to put it kind of ridiculously, toast, French toast, when that happens.

在那之后,滑稽可笑的是,他举行了法式酒会

耶鲁公开课 - 欧洲文明课程节选

When this happens,he said, money is withdrawn from the people's use and kept in the public treasury, where it does no good.

VOA: special.2010.05.20

Another way to explore what the brain does is to consider what happens to people when very bad things happen to their brain.

另一个探究大脑功能的方法,就是在人们的大脑遭受严重损伤时,观察他们的行为变化

耶鲁公开课 - 心理学导论课程节选

In "The Crucible",for example, he shows what happens when unreasonable dislike and fear cause people to accuse innocent people of horrible crimes.

VOA: special.2009.11.29

So, we can think about what would happen if we're on his thesis defense, we're on his thesis committee, we would need to think of some pretty mean, hard, nasty questions that's what happens when you defend your thesis.

所以，我们可以设想一下,如果我们在他的论文答辩会上,担任论文委员会的成员，那么会发生些什么，我们会想一些非常严厉的,冷酷无情的，险恶的问题,那也是你们在论文答辩时,会遇到的情况。

麻省理工公开课 - 化学原理课程节选

The extension service says the best formation happens when the soil is between fifteen and twenty-one degrees Celsius.

VOA: special.2009.03.10

What happens when we experience negative emotions is that our consciousness, our thinking narrows and constricts.

体验消极情绪时,我们的意识，我们的思维变得狭窄，收紧。

哈佛公开课 - 幸福课课程节选

When this happens, poor people have to tighten their belts and live on less money than usual.

VOA: special.2009.10.18

I'm going to give the last class a problem which is pretty interesting, which is what happens to you when you have an elevator.

我将讲解最后一个例题,非常有趣,也就是当你在电梯里的情形

耶鲁公开课 - 基础物理课程节选

A concussion happens when the brain is shaken, often in a car crash or a fall or a strike to the head in sports.

VOA: special.2009.10.28

Now, you all know that we can make irreversible changes in proteins, you can denature them completely, that's what happens when you cook an egg for example.

现在你们都懂蛋白能够发生不可逆的改变,能够完全变性,比如在你煮鸡蛋的时候就是这样

耶鲁公开课 - 生物医学工程探索课程节选

That is what happens when many people try to withdraw all their money from a bank.

VOA: special.2009.04.26

But take a look at what happens when a body dies.

但谈到一个人死后身体会发生什么变化

耶鲁公开课 - 死亡课程节选

When this happens, one plate moves past the other, suddenly causing the Earth's surface to split.

VOA: special.2010.01.12

What happens when it's a rainy day?

如果是下雨天会怎么样？

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

Asthma happens when tissue that lines the airways to the lungs begins to expand or swell.

VOA: special.2009.07.28

Now when the trumpet enters something of interest happens.

当小号进入时,有趣的事情发生了

耶鲁公开课 - 聆听音乐课程节选

When this happens, the heart attempts to fix the situation by beating harder and faster.

VOA: special.2009.07.14

What happens when you start thinking about children?

想想孩子们吧

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Yeah, I think it happens when your schedule does not work out the way you expected it to.

会的。有的时候你的生活并不能按照你所设想的计划进行。

临时抱佛脚？也做过 - SpeakingMax英语口语达人