Why is cancer one of the leading killers in the U. S. now but wasn't even on the charts in 1665?

为什么癌症现在是美国人的头号杀手,却甚至没有在一六六五年的名单中出现

耶鲁公开课 - 生物医学工程探索课程节选

All right. So now that we have a general idea of what we're talking about with shielding, we can now go back and think about why it is that the orbitals are ordered in the order that they are.

现在我们对于谈论的屏蔽,有一个整体观点了，我们现在可以回过头来考虑,为什么轨道是按照,那种规则排列的。

麻省理工公开课 - 化学原理课程节选

Right now it's a simple template, but it's a template for creating what a class looks like, and I now have an x- and y- value associated with each instance of this.

那么大家明白了为什么，我说类是一个模板了，对不对？,现在它只是一个简单的模板，但是它是一个用来-,创建形成一个类的模板。

麻省理工公开课 - 计算机科学及编程导论课程节选

Why are people living longer than they did just a few hundred years ago?

为什么现在的人,比仅仅是几百年前的人活得更久

耶鲁公开课 - 生物医学工程探索课程节选

Why is the Protestant canon like it is?

为什么新教正典会是现在这样？

耶鲁公开课 - 新约课程节选

I have to warn you this third and final movie is an example of why this research is not currently done, but it illustrates an important scientific point.

我必须警告你们第三,和最后的影片是一个例子,关于为什么这个研究现在没有做，但它描述了重要的科学观点。

耶鲁公开课 - 心理学导论课程节选

Now, here's an interesting question for you, why is it usually high?

现在就有了个有趣的问题,为什么常常是高的

耶鲁公开课 - 聆听音乐课程节选

Now, why the Fat Lady? It's this mythical, incredibly humanly embodied-- whenever you see a fat lady in a novel, one of the first things you want to ask is: why does that person need to be excessively embodied?

现在，为什么是胖太太，这是个神话，人们呈现了，无论你什么时候看到一个胖太太,在小说里，你首先会想问：,为什么那个人需要被这样过多的描写呢？

耶鲁公开课 - 1945年后的美国小说课程节选

Nobody can see the interest rate-- why the interest rate's at the level it is in the market-- because nobody can see all these individuals; but that's why the interest rate gets determined and is in equilibrium.

没有人能知道,为什么市场利率会是现在的结果,因为没有人能知道其他人的想法,但市场利率就是这样确定并达到均衡

耶鲁公开课 - 金融市场课程节选

- And we can think about why -- essentially we have fluorine and now we're adding another electron. So you can picture that fluorine is going to get larger in this case And that would be true for all of the negatively charged ions.

我们可以想一想这是为什么-,本质上来讲我们现在给氟原子加上了,另外一个电子,因此大家可以想象在这种情况下氟将变大,而且这对于其它负离子也是成立的。

麻省理工公开课 - 化学原理课程节选

So the most basic answer that doesn't explain why is just to say well, the s orbital is lower in energy than the p orbital, but we now have a more complete answer, so we can actually describe why that is.

所以最基本的答案是那没有解释,所以我们事实上可以描述，为什么是那样，但是我们现在有一个更复杂的答案，又是有效电荷量。

麻省理工公开课 - 化学原理课程节选