And that was possible in smallpox because of a few characteristics of the disease: one is that it's a--it's purely a human disease, humans are the only organisms that are affected by it.

天花能够被根治的原因在于,这种疾病具有以下几个特点,一是,它是一种只有人类才得的疾病,人类是唯一受天花感染的生物

耶鲁公开课 - 生物医学工程探索课程节选

so it's a 250-person class, but we have a group of 50 that we go around with quite a bit.

这是一门250人的课，但是我们组成50人一组一起学习。

跟校友们的关系 - SpeakingMax英语口语达人

Well that's a--so it's sort of tongue in cheek, 'you know this is really good, I love to eat this, but I'm doing it because it's good for me' is the message there.

它有种特别的口感,"你知道这真的非常好,我喜欢吃它,但我吃它更是因为它对我有益",这就是我想要表达的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, there's a--question, comment?

又有人提问题

耶鲁公开课 - 死亡课程节选

There's not actually chemical covalent bonds that are formed but it's a non-covalent interaction, usually dominated by hydrogen bonding.

所以配体和受体之间不生成共价键,这是一种非共价化合反应,它们通常以氢键相联

耶鲁公开课 - 生物医学工程探索课程节选

.. And so we are not talking about anything that... Processing our tax returns, unfortunately And it's a one-time check.

所以我们讲的并不是。,不巧正在处理退税事宜,而且这个是一次性支票。

斯坦福公开课 - 经济学课程节选

The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.

你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。

麻省理工公开课 - 热力学与动力学课程节选

And Milton's asking in these lines not simply about actual erotic entanglements -- although I think that's there, a relation with women -- but it's a question about erotic poetry as well.

在这几句弥尔顿问的不仅是,实际的性的缠绵--尽管我认为确实有这一方面，同女人的关系--他也是在问情诗的问题。

耶鲁公开课 - 弥尔顿课程节选

Well you know what a point is, it's got an x- and a y- coordinate, it's natural to think about those two things as belonging as a single entity.

把这两个坐标认为，是属于一个独立的实体，是理所当然的事情,因此实现这个目的的。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's a cliche--People say, let's not reinvent the wheel here, so let's go back to that.

人们会说这是陈词滥调了，咱们别在这白费口舌了，咱们还得从头说起。

耶鲁公开课 - 金融市场课程节选

So, if it's a celebrity--Well, here-- Johnson one of the names here is Johnson.

所以如果是一个名人-,这里有个名字叫。

耶鲁公开课 - 心理学导论课程节选

Therefore, it's a fast-growing market.

这是一个快速成长的市场。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

So, it's a penta-- what we call a pentatonic scale.

因此,它是一个所谓的,五,我们称之为五声的音阶

耶鲁公开课 - 聆听音乐课程节选

It's not even a zero-- or rather if I have less, you'll have less- that's a negative sum game-- or a zero sum game-- if I have more, you'll have less- it's a fixed pie.

甚至不是一个零…,或者我更少，你也会更少，那也是负和游戏-,或零和游戏，我更多，你就会更少-,饼就那么大。

哈佛公开课 - 幸福课课程节选

It's all seen from her point of view and at a distance And then somebody is knocking at the door and breaking in, and that's Kane And then there's a close-up of Kane leaning over the bed ? Right?

都是从苏珊的角度来拍的,镜头比较远,先是有人敲门,那人闯了进来，是凯恩,然后有个对凯恩,俯在床头的特写,对么？

麻省理工公开课 - 电影哲学课程节选

I'll just remind us of what these functions are; it's a - c over 2b - q2 over 2 and accordingly for Player 2.

再说一遍,参与人2的方程是,/2b - q2/2

耶鲁公开课 - 博弈论课程节选