That was part of a speech that first lady Michelle Obama gave at George Washington University's graduation ceremony in Washington,D.C.

VOA: special.2010.05.28

You'll notice that a lot of different kinds medications do you have chlorine in them, you'll see that c l group.

你会注意到很多不同类型的药物都含有氯,你会看到这类氯。

麻省理工公开课 - 化学原理课程节选

which is one of the few museums in D.C. that actually isn't free because it's not a national museum.

那是特区里少有的几个收费博物馆之一，因为它不是国家博物馆。

大都会艺术博物馆 - SpeakingMax英语口语达人

It was also the opening film for the Environmental Film Festival in Washington,D.C., which we reported on last month.

VOA: special.2009.04.03

So we have 4 plus 5, but we're actually not done yet, because it's c n minus, so if we have minus, we actually have an extra electron in our molecule.

我们有四个加上五个，但是我们实际上还没做完，因为这是个负离子，所以如果我们有这个负号，那么我们的分子实际上还有一个额外的电子。

麻省理工公开课 - 化学原理课程节选

We talked to some people in Washington, D.C. and Miami, Florida about their resolutions, hopes and wishes for 2009.

VOA: special.2009.01.01

So let's just compare. Let's compare what C happened in path A to what happened in paths B and C. Yes?

我们比较一下沿,路径A和路径B和,所发生的事有什么不同，什么？

麻省理工公开课 - 热力学与动力学课程节选

At the National Gallery of Art in Washington,D.C., you can see a colorful and expressive print called "Revolt on the Amistad."

VOA: special.2009.09.02

The first crowd to do stuff like that, you will find, in the fifth century B.C. In Greece is a movement called the Sophistic Movement.

你们会发现第一批做这种事情的人,是在公元后五世纪的希腊人,当时兴起了一种叫诡辩的运动

耶鲁公开课 - 古希腊历史简介课程节选

(Music) Those were comments from people who took part in the Breast Cancer 3-Day Walk held in Washington,D.C.,last month.

VOA: special.2009.11.02

Well, it turns out C, like a lot of languages, comes out of the box with a whole bunch of built-in variable types.

在C语言还有其他一些编程语言里，都会有一大堆,固定的变量类型。

哈佛公开课 - 计算机科学课程节选

Barbara Klein has more. The museum at Ford's Theatre was created to show Abraham Lincoln's life, and death,in Washington,D.C.

VOA: special.2009.07.24

Am I thinking back there, "Well, it starts in C and that's got an E up there and it's got a G"?

我当时是不是在想,这曲子是C调开头的,是在这里升到E调然后到G调吗

耶鲁公开课 - 聆听音乐课程节选

He is most famous for designing central park in New York City and the grounds around the capitol building in Washington,D.C.

VOA: special.2009.11.16

We take, um, legislation and regulation, which is sort of how our agencies work in Washington D.C.,

我们还学习立法和规章，学习华盛顿特区的政治部门是如何做这些工作的，

哈佛法学院的课程 - SpeakingMax英语口语达人

The Smithsonian's National Museum of American History in Washington,D.C., has one of the oldest known pairs of Levi's jeans in its collection.

VOA: special.2009.12.18

FOR c It's going to say FOR c, which was my name for the character in that string.

那么循环要去做什么呢？循环要去说,也就是字符串中字符的名字。

麻省理工公开课 - 计算机科学及编程导论课程节选

They include the New York Public Library, the Smithsonian American Art Museum in Washington,D.C., and the San Francisco Museum of Modern Art.

VOA: special.2009.08.28

So I'll be producing this stuff, this water at cost c and only getting p, which is not only less than c in return.

这就导致成本是c的瓶装水只能卖到p,这个价格都不能捞回本钱呢

耶鲁公开课 - 博弈论课程节选

To get a better sense of the modern name game, we stopped some families out on the National Mall here in Washington,D.C.

VOA: special.2009.07.06

In C,I can exist without being a corpse; or rather,without being alive,as a corpse.

在C阶段，我可以不作为尸体而存在;,准确地说，作为尸体，我是死的。

耶鲁公开课 - 死亡课程节选

At the age of twenty-one, she won a national contest to design the Vietnam Veterans Memorial in Washington,D.C.

VOA: special.2009.05.06

It would be c times 3 in the third year, etc., Then the present value is equal to c/-- that's the formula for the value of a growing console.

在第三年它就是三倍的的三次方,现值就相当于c/,这就是上涨债务价值的公式

耶鲁公开课 - 金融市场课程节选

Doctor Terry Pechacek at the C.D.C. says the findings should persuade every country that smoking in enclosed spaces is very dangerous to nonsmokers.

VOA: special.2009.01.07

Another really interesting museum actually in D.C. is the Spy Museum

另一个在华盛顿哥伦比亚特区的很有趣的博物馆是间谍博物馆。

大都会艺术博物馆 - SpeakingMax英语口语达人

We attended this year's United States Air Guitar Championships in Washington,D.C.to learn more about this unusual activity.

VOA: special.2009.08.14

especially because there is so much politics in Washington D.C.

尤其是因为华盛顿的政治活动那么多，肯定有许多律师事务所。

为了更美好的世界 - SpeakingMax英语口语达人

This is because people who live in Washington,D.C., have no voting representation in the United States Congress.

VOA: special.2009.03.20

Negative 1 plus 0 should add up to negative 1, if in fact, we're correct for the c n anion.

负一加上零应该等于负一，如果是这样，我们对于氰离子的结果就是正确的。

麻省理工公开课 - 化学原理课程节选

Here's heat exchanged in pathway A and in pathway B heat is zero, and in pathway C, Cv here is qC it's Cv T1 minus T2.

这是qA，这是路径A上的热量交换,路径B中的热量交换是零，而在路径C中，这是qC，它是。

麻省理工公开课 - 热力学与动力学课程节选