So,Once they are lost in response to a toxic sound or to an antibiotic it cannot be regenerated by natural means.

一旦因噪音或抗生素遭受损失,就难以再生。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

If I can just have it there before me, that is a very difficult and derivative intellectual act, and it cannot be understood as primordial or primitive.

仅是面对着它，对于思维来说非常困难，并且这不能被理解为是原始的。

耶鲁公开课 - 文学理论导论课程节选

So, a massless body cannot have a net force on it, because the acceleration of the rope cannot be infinite.

所以没有质量的物体不会受到力,因为绳子的加速度不可能是无穷大

耶鲁公开课 - 基础物理课程节选

Now, of course, it could still be that in the real world the one thing cannot exist without the other.

还是可以说,在真实世界里,某物不能脱离于另一物而独立存在

耶鲁公开课 - 死亡课程节选

And just to give you a sense, if you do a cross-cut of this, you cannot show it from this angle, but it should really be sort of a dumbbell shape with the nodal plane in between the two nuclei.

告诉你们这些就是给你们点概念，假如你们把他横切切开，不能从角度上展示，但它还是会保留几分哑铃的形态,以及在两核之间的节面。

麻省理工公开课 - 固态化学导论课程节选

I will be happy to admit that I read through this I probably cannot tell you what it did unless I really obsessed over these details.

我不得不承认，恐怕我读完后,也不能告诉你它都干了些什么,除非我完完全全被这些细节给迷住了。

哈佛公开课 - 计算机科学课程节选

It is an understanding that cannot be achieved without a serious examination of the western experience.

如果不仔细研究西方历史的发展经历,是不可能有这种认知的

耶鲁公开课 - 古希腊历史简介课程节选

People who hold constrained vision of human nature, believe that human nature cannot be changed; it's immutable-- we have certain instincts, we have certain inclinations.

认为人性受约束的观点的人，相信人性无法改变;,它是永恒的，我们有一些本能，有一些欲望。

哈佛公开课 - 幸福课课程节选

Now let's just say something now, which I'll probably forget to say in any other moment of the class, but today it's relevant. Game Theory, me, professors at Yale, cannot tell you what your payoff should be.

这里我们要解释一下,我差点就忘记说了,博弈论,还有我 耶鲁大学教授,无法说出你的收益应该是什么样的

耶鲁公开课 - 博弈论课程节选

Literature is many things, a many-splendored thing," you say to yourself, "and it simply cannot be confined or trapped within a definition of that kind."

文学可以是很多，很多奇妙的东西，它不会局限于,那种定义“

耶鲁公开课 - 文学理论导论课程节选

Harmony is indeed invisible in sense Number 1, you cannot see it with your eyes, but for all that, it can be destroyed.

和声用无形的第一种解读方式理解，确实是无形的，你看不见它，但是它可以毁灭。

耶鲁公开课 - 死亡课程节选

Hopefully within two years, probably not next year, but within two years, there will be positive psychology class offered, but I certainly cannot guarantee it.

但愿两年内，明年可能性不大，但是两年内，学校会再次开设积极心理学课程，但我无法保证。

哈佛公开课 - 幸福课课程节选