The U2 was brought down by an S-2 surface to air missile.

VOA: standard.2010.05.07

This is the radial probability distribution formula for an s orbital, which is, of course, dealing with something that's spherically symmetrical.

这个ｓ轨道的,径向概率分布公式，它对于球对称,的情形成立。

麻省理工公开课 - 化学原理课程节选

You can say to your friend "Oh, it's like an apple."

你可以跟你的朋友说，“Oh, it's like an apple.”

It's like 课堂 - SpeakingMax英语口语达人

Other ASEAN states also have expressed concern about Aung San Suu Kyi's arrest, an unusual breach of the group's usual policy of not commenting on members' internal affairs.

VOA: standard.2009.05.15

So here we have 3 minus l equals 0, because it's an s orbital, minus 1, so we have two radial nodes here.

这里我们有３减去ｌ等于０,因为这是ｓ轨道，减去１,我们有两个径向节点。

麻省理工公开课 - 化学原理课程节选

But with that longer life, people with Down syndrome may have an increased risk for Alzheimer's disease at an early age.

VOA: special.2009.09.09

C-A-N-S-U An S in the side so Cansu, that was spelled C-A-N-S-U.

有一个S喔。

哈佛公开课 - 计算机科学课程节选

"I know it's an election year. And after last week, it's clear that campaign fever has come even earlier than usual.

VOA: special.2010.01.30

If I do this, try and get the 10th element of a list that's only eight long. I get what looks like an error, but it's actually throwing an exception.

如果我来这么做,试着去取长度为8的列表的第十个元素,我貌似能得到一个错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

"The Adventures of Tom Sawyer" is considered one of the best books about an American boy's life in the eighteen hundreds.

VOA: special.2010.03.21

It's insulated. It's a closed system. In fact, it's an isolated system. There's no energy or matter that can go through that boundary.

系统指的，是盒子里的东西,它是封闭孤立的。

麻省理工公开课 - 热力学与动力学课程节选

Knowing more about how the Yarkovsky effect changes an asteroid's orbit will help scientists better predict whether RQ36 will come near Earth.

VOA: special.2011.06.22

It's not something you're going to go back and remember it's an opposite side, it's an adjacent side.

不应该再去翻以前的课本,还去回忆哪个是对边,哪个是邻边

耶鲁公开课 - 基础物理课程节选

Fear of legal action alone,he said, "cannot justify an employer's reliance on race" if it hurts qualified individuals.

VOA: special.2009.07.03

It's an allusion that has everything to do with Milton's own sense of his unreadiness, and I'm thinking of that. Oh, it's just -- it's wonderful, that strange moment that happens fairly early on in the poem.

这是一个和弥尔顿自身的迟疑感,息息相关的幻想，我认为，就诗歌创作的早期而言，这是非常美妙的。

耶鲁公开课 - 弥尔顿课程节选

People could now see battlefield deaths as captured by a camera rather than an artist's pen or paintbrush.

VOA: special.2009.03.16

So, there's a tremendous variety of material in this library, and it follows from the fact that it's not a book but an anthology of diverse works, that it's not an ideological monolith.

在这座图书馆里有丰富多样的材料，因此这不仅是一本书,而是各种各样文献的合集，这不是什么讲思想道德的长篇大论。

耶鲁公开课 - 旧约导论课程节选

She also gathered Uncle Vladimir's old shirt and Havala's old nightgown and an old apron of Aunt Natasha's to make a quilt.

VOA: special.2010.11.20

He's an older fellow. He's sort of my age and the reason I mention Chuck Mangione is that years ago I went to school with him.

他稍年长些,差不多和我一样大,我之所以拿查克·曼卓林来举例,是因为很多年前我和他一起上过学

耶鲁公开课 - 聆听音乐课程节选

In his books, Sendak skillfully combines an adult's point of view with a child's point of view.

VOA: special.2009.10.05

It's an act of free will. Somebody's leaving.

这是自由意志的选择，有人会离开。

麻省理工公开课 - 固态化学导论课程节选

And so when you can find an artifact that very comfortably dates the site to the appropriate period, that's exciting for an archeologist."

VOA: special.2011.07.26

They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.

这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下

耶鲁公开课 - 生物医学工程探索课程节选

Having a happy neighbor who lived next door increased an individual's chance of being happy by 34%.

VOA: special.2009.01.21

Also, it can't be an accident that it's an African American family depicted in here, so there are a lot of interesting things going on in this little video clip.

此外,广告刻画了一个非裔美国人,家庭的画面,也绝对不是巧合,所以这个广告短片里,有很多耐人寻味之处

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But others note that Jupiter's powerful gravitational field can just as easily send an object into Earth's path as push it deeper into space.

VOA: special.2009.08.25

Now again,that's an interesting claim if it's true.

这个说如果是真的，也会很有趣。

耶鲁公开课 - 死亡课程节选

When Sandy leaves her house, she wears an astronaut's suit so she can breathe underwater.

VOA: special.2009.08.21

It's just more of a crisp taste whereas an ale's more of a heavy beer.

窖藏啤酒口味更纯正，然而麦芽啤酒更像浓啤酒。

英国的啤酒 - SpeakingMax英语口语达人

I said, "I have no idea how to do that but it's an interesting idea. But let's keep talking.

我说：“我不爱懂这一行,不过这个想法不错，我们接着聊吧。

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