President Obama returned to the United States this week after his first visit to Europe since taking office in January.

VOA: special.2009.04.11

Ever since this was first proposed, there has never been any observations that do not coincide with the idea, that did not match the fact that the probability density is equal to the wave function squared.

从未有，任何观测，与它相抵触,从没有过，波函数的平方不等于,概率密度的情况，关于马克思，波恩。

麻省理工公开课 - 化学原理课程节选

And I think that since this country started out with people coming over from different countries

我想既然这个国家一开始就有来自世界各国的人，

美国的移民法 - SpeakingMax英语口语达人

This year's federal deficit is already predicted to be the highest in relation to the economy since World War Two.

VOA: special.2009.07.10

Let's compare case 2 and 3, since this where some people seem to have gotten confused.

让我们来比较一下第二和第三种情况，因为不少人好像在这里有些困惑。

麻省理工公开课 - 化学原理课程节选

This book is widely considered one of the most important books of photographs published since World War Two.

VOA: special.2009.03.23

A boy who's bullied by his father may hate his father and want to hurt him but since this would--this is very shameful and difficult.

屈于父亲权威下的男孩,可能会憎恨他的父亲，想要伤害父亲,但这个想法是可耻的，也是难以实现的。

耶鲁公开课 - 心理学导论课程节选

Last month the World Bank predicted a 2% decrease this year - the largest drop since the 1940s.

VOA: special.2009.01.16

Since this is a concave function, it's not just the expected value.

由于这是一条凹曲线,它不只是期待值

耶鲁公开课 - 金融市场课程节选

This week on our program. We visit New Orleans,Louisiana, to learn about the recovery efforts since Hurricane Katrina.

VOA: special.2010.01.22

But you see the difference. Great question, and a very important thing to understand, and that's why I'm belaboring this point, since this is where people tend to get pretty confused, and this is why mutation is very important to understand. Yeah.

但是你们已经发现区别了，这问题挺好的，并且有重要的一点需要我们去注意的是，人们经常对可变性这一点感到很迷惑，但是可变性是很重要的,我们需要理解它,这也是我经常强调这一点的原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is especially unusual since he was considered one of the most important architects in the world.

VOA: special.2009.12.13

We'd expect you to write now or perhaps ever since this program was written as part of an obfuscated C contest.

我希望你们现在就开始写程序,否则你们将会在C语言比赛中,写得非常糟糕。

哈佛公开课 - 计算机科学课程节选

Since two members of the court had planned to offer views on this question, the other seven decided the majority also should do so.

VOA: special.2009.05.14

But,the turbo-prof will be somebody who is assigned to Reims, and who takes the train there every day, or to Tours; but to Lyon also since this is only two hours, this is four-hundred kilometers.

不过涡轮教授被派到兰斯教书,他每天都要坐火车往返,抑或是去图尔斯,从这里去里昂要用两小时,这有四百公里

耶鲁公开课 - 1871年后的法国课程节选

This September eleventh will be nine years since the al-Qaida terrorist attacks on the United States.

VOA: special.2010.08.05

How would we go about, I mean I don't want to do it because I'll probably get it wrong, but if I wanted to solve out for this X and the Y, since this is a QR class, let's just talk about it a second.

我们怎么解呢,我的意思是我现在不会去计算,因为我可能会算错,但是如果你真的很想解出X和Y的值,介于这是一节需要快速反应的课,那我们花些时间来探讨一下吧

耶鲁公开课 - 博弈论课程节选

Both the World Bank and the International Monetary Fund expect the world economy to shrink this year for the first time since World War Two.

VOA: special.2009.03.13

I'm asking about this thing that's extended obviously through space since car has taken up some space and through time.

我问的是这个贯穿,当然也贯穿空间,因为车子也占空间,还有贯穿时间的物体。

耶鲁公开课 - 死亡课程节选

The Fed has not tried to influence long-term rates this way since the nineteen sixties.

VOA: special.2009.03.20

And, in fact, since we're going to reuse this again and again during today's lecture, I'm going to put it over here and leave it sacrosanct for our further use.

实际上，因为我要,一遍又一遍的用到这个公式，我会把它放在这里,以强调其会被不断使用的神圣地位。

麻省理工公开课 - 热力学与动力学课程节选

Seattle and Minneapolis have been at the top of this list since two thousand four.

VOA: special.2009.03.27

Pardon, I pray, the iniquity of this people according to Your great kindness, as You have forgiven this people ever since Egypt."

请原谅，我祈祷，宽恕这些人,按照您的宽宏，就像您从埃及开始就一直宽恕这些人一样“

耶鲁公开课 - 旧约导论课程节选

It also predicts for this year the biggest deficit, as a share of the economy, since World War Two: one trillion seven hundred fifty billion dollars.

VOA: special.2009.02.27

And this is important because it means that since we cannot observe, we cannot talk about individual electrons.

这很重要,因为这意味着我们不能观察，不能谈及单个电子。

麻省理工公开课 - 固态化学导论课程节选

The Roanoke Island Historical Association has been performing this play since nineteen thirty-seven.

VOA: special.2009.08.17

So that is really the design for the activity that we have been pursuing since dean done this convened educational technology task force in 1999.

这就是该活动的构思,自从1999年院长建设,教育技术队伍以来,我们一直在追求该目标。

麻省理工公开课 - 媒体、教育、市场课程节选

" This short Western play has been performed since the nineteen fifties.

VOA: special.2009.02.16

The twenty-five years I have lived since then tapered to a palpitating point and vanished. This is a remarkable passage to me.

那以后生活的二十五年，就惭渐缩小成一个颤栗的点,以致终于消失了，这个段落非常值得注意。

耶鲁公开课 - 1945年后的美国小说课程节选

And so they did come back hundred years later and conquered it, and since--this is the link that explains the old story.

所以他们百年后回来并征服了这片土地,之后...这是一条线索,能解释这一古老的故事

耶鲁公开课 - 古希腊历史简介课程节选