Katie Koczynski - a former U.S.skeleton competitor - said Friday that she had an idea that Demong might pop the question, but when it happened she was really surprised.

VOA: standard.2010.02.27

If it were just a little bit different I could say, all right, I have a different approximation. But when it's this different, something is wrong. Right?

但是如果仅仅有点差异的话,我可以认为没什么大问题,我得到了一个不太一样的估算，但这确实有差异，出问题了对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

But when it comes to cars, I really like all kinds.

但是要说汽车的话，所有的汽车我都喜欢。

学习机械工程 - SpeakingMax英语口语达人

The scientist says this mission has been planned for many years, but he is not sure when it will happen.

VOA: special.2010.05.25

He just appears. But when it calls him a "tax collector," it doesn't necessarily mean that he was the one who owned the right for that whole area.

他突然出现，但书中称他“税吏“,并不一定是说,他负责那块地区收税工作。

耶鲁公开课 - 新约课程节选

But Apple made the biggest news when it announced that it would offer its own digital tablet this year.

VOA: special.2010.01.26

But when it came to treason, he was less likely to be merciful, as the case of Alexis, his ill-fated son would demonstrate.

只是对于背叛者,他是绝不手软的,他那不幸的儿子阿列克思就是一个例证

耶鲁公开课 - 欧洲文明课程节选

But the look on everyone's face, when you are finished and packing, it is the best smile in the world;

VOA: special.2009.03.22

Smoking is a key example, it took America decades to mobilize after the catastrophic consequences smoking were clear, but when it did, American tobacco companies exploited overseas markets, particularly in the developing world.

吸烟就是一个重要的例子,美国人在吸烟的灾难性后果,已经明确的几十年之后,才采取行动,但在行动时,美国烟草公司已经开拓了海外疆土,尤其在发展中国家

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"It wasn't that important. But when I married, it was always a dozen red roses from my husband.

VOA: special.2010.02.08

I should have read it a lecture or two ago when I started talking about immortality, but I misplaced it.

我应该在一两节课之前读它,即在我开始谈论永生的时候，但是我当时把它放错地方了。

耶鲁公开课 - 死亡课程节选

You get down to brass tacks when you say, "it sounds good, but how much does it cost?"

VOA: special.2010.05.16

Economists when researching it all over the place, but I feel a lot has to do with monetary policy.

经济学家常百思不得其解，但我感觉经济与货币政策有很大干系。

斯坦福公开课 - 经济学课程节选

"Why should we do something when we've already done it?" But he recognizes that some people have strong feelings about the issue.

VOA: special.2010.04.28

But when you asked them why they didn't try it the answers tended to be "I would look silly."

但当你问他们为什么不尝试时,他们的答案往往是“这样做会很傻”

耶鲁公开课 - 心理学导论课程节选

When each eye sees very similar, but different versions of an image, the brain thinks it is seeing depth, or three dimensions.

VOA: special.2010.01.26

We'll talk more about this later, but it often happens that when you change your program to solve one problem you break it, and things that used to work don't work.

我们以后会更多的去讨论者一点，但是经常发生的情况是当你因为,一个问题修改你的程序的时候,你修改了程序,但原来没问题的模块。

麻省理工公开课 - 计算机科学及编程导论课程节选

It can be treated when found early, but once it grows the chances of survival drop sharply.

VOA: special.2009.05.13

You might be winded doing it the second way, but when you get to the top and you are at the 60th story your gravitational potential is independent of how you got there.

对于走路你可能很抓狂，但你一旦到了顶层,你就是在第60层,你的重力势能,与你如何到达那里无关。

麻省理工公开课 - 固态化学导论课程节选

He noted that a baked potato is not high in fat, but it becomes fatty when people add sour cream and butter to it.

VOA: special.2011.07.05

So, I don't know what she grew up hearing about when she went to her grandparents' house, but it might have been wave function squared.

我不知道她小时候,在，她外祖父家里，听到了什么，也许她听到过，波函数。

麻省理工公开课 - 化学原理课程节选

But Congress did not consider the proposal when it began debating a new tariff bill.

VOA: special.2010.04.29

But it has a property that when you add it to anything, you get the same vector.

但它有个性质,就是用它加任何矢量,你得到的都还是原矢量

耶鲁公开课 - 基础物理课程节选

But it is difficult to read and judge a wave when it is near.

VOA: special.2009.03.17

But now, when more and more countries start doing it, maybe it won't work so well.

但是现在,随着越来越多的国家开始效仿,人们会发现也许这些制度并不完全有效

耶鲁公开课 - 金融市场课程节选

But when we come to where the large significant populations are, which is the Congo basin, then we find that it's the bush meat trade that's the commercial hunting of wild animals for food.

VOA: special.2009.11.18

But you see the love continued. So it's true when I got into Harvard.

这份继续延续着，一直到我去了哈佛大学。

普林斯顿公开课 - 人性课程节选

"One soldier had been fighting in the jungles for years. And I don't know if it had affected him or not, but when the clerk handed him a tweed suit to try on he spent three hours searching through the fuzz for snipers."

VOA: special.2009.03.09

I just go down the list selecting the smallest person at a time and then I repeat, repeat, repeat but when we actually did out the math or kind of reason through it, the running time, the asymptotic running time of bub-- of Selection Sort was also what?

只需要遍历列表，每次找出最小的元素,然后重复上述步骤，但从数学角度看,选择排序的时间复杂度,又是多少呢？

哈佛公开课 - 计算机科学课程节选

which you'll think, only a ten or eleven year old, but when there is thirteen of them, it's a lot.

你会想，不就是十岁、十一岁的小孩嘛，但有十三个还是很多的。

大城市是否危险？ - SpeakingMax英语口语达人