So let's go to a second clicker question here and try one more. So why don't you tell me how many possible orbitals you can have in a single atom that have the following two quantum numbers?

让我们来看下一道题目,你们来告诉我,有多少个可能的轨道,含有这些量子数呢？

麻省理工公开课 - 化学原理课程节选

The Noah story, the flood story, ends with the ushering in of a new era, and it is in many ways a second creation that mirrors the first creation in some important ways.

诺亚方舟，洪水的故事，都预示着一个新纪元的到来，在很多方面，都像是第二次创世纪,同时，又有许多第一次创世纪的影子。

耶鲁公开课 - 旧约导论课程节选

And as I will explain in a second there are many reasons why this sense hasn't really been elucidated at the molecular level.

难以真正从分子学的角度阐明,这种感官的原因是多方面的,有关这一点,稍后我会另行解释。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The one thing you want to keep in mind though is that Hertz does not actually mean inverse seconds, it means cycles per second. So, if you're talking about a car going so many meters per second, you can't say it's going meter Hertz, you have to say meters per second.

写成5每秒，或5赫兹,你们要记住的是赫兹,并不等于秒的倒数，它是每秒的循环数，如果你们说,一辆车一秒可以走多少米,你不能说它走了米赫兹。

麻省理工公开课 - 化学原理课程节选

Keep your hands up a second. How many of you chose 1?

先别放下手,有多少人选了1

耶鲁公开课 - 博弈论课程节选

You don't mind watch it a second time Actually I watched it many times, on DVD in particular. Did you use the DVD?

你们不介意再看第二遍吧,事实上我看了很多遍，特别是看DVD，你们看DVD吗？

麻省理工公开课 - 电影哲学课程节选

How many of you, raise your hands a second.

你们当中有多少人,举下手

耶鲁公开课 - 博弈论课程节选