So we can think about something I mentioned last time, which is when we're thinking about chemistry and what's really interesting in terms of chemical reactions, it's mostly valence electrons we're talking about, those are the ones that tend to be involved in chemical reactions.

我们可以考虑一下我上次提到过的一件事，那就是如果我们讨论化学,以及什么是化学反应中,真正令人感兴趣的东西，我们讨论的几乎都是价电子，它们才是在化学反应中,真正起作用的部分。

麻省理工公开课 - 化学原理课程节选

So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be? Um-hmm, right. 2 minus.

那么，我们可以说--如果我们这里有氖原子,而我们想知道与它等电子的是什么，负一价的氟离子就是与它等电子的，我们还有氧-,氧应该是几价的？没错，负二价。

麻省理工公开课 - 化学原理课程节选

These topics are sleep, laughter, and religion, mental illness, two lectures on madness, what can go wrong in your minds, and a last lecture on happiness.

这些话题包括,睡眠，笑，宗教，精神疾病，我们会用两节课讲精神病，也就是你的脑子会出什么毛病，最后一节课讲幸福。

耶鲁公开课 - 心理学导论课程节选

This is the framework in which the then most prominent intellectual in France writes an essay at the very peak of the student uprising, entitled "What is an Author?"

后来法国最杰出的知识分子,在学生起义时写过一篇名为“作者是什么？“的文章，其指导思想就是这个“

耶鲁公开课 - 文学理论导论课程节选

I released a piece of candy, threw it from my hand, and the initial conditions have to do with where did I release it and with what velocity.

我从我的手中抛出一颗糖,初始条件就是,我从什么位置抛出的,以多大速度抛出的

耶鲁公开课 - 基础物理课程节选

Potential refers to what it sounds like, 'what potential does this committed progenitor cell have?' 'What potential does this stem cell have?' Well, one way to think about is that upon this first division, this asymmetric division, this committed progenitor cell has lost some potential.

这个"潜能"和字面意思相同,定向祖细胞的潜能是什么,干细胞的潜能又是什么,一种看法就是在第一次分化时,即不对称分裂时,定向祖细胞失去了一些潜能

耶鲁公开课 - 生物医学工程探索课程节选

People have referred to this as a J shaped curve with this little up tick in the left hand side and people--some people have sort of said, well maybe it's not so bad to be overweight because it's not so good to be underweight as well and that's a problem.

人们把这称为J形曲线,最左边有一个向上的弯钩,因此就有人说,也许超重也不一定就是一件坏事,因为体重过轻也不是什么好事,这是个问题

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's going to let j run over the length of the list all right, so it's going to start at some point to move down, and then it's going to let i run over range, that's just one smaller, and what's it doing there?

就在这里，会做什么呢？,我们让j遍历这个列表,好的，它要从某一定开始移动,然后让i也跑遍整个范围，就是比之要小一，会发生什么？

麻省理工公开课 - 计算机科学及编程导论课程节选