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

And lightning strikes again and the lights go out.

突然一道闪电打下来，灯全都灭了。

I'm afraid of 课堂 - SpeakingMax英语口语达人

And what is the shape, for one more clicker question on ammonia?

那它的形状呢？,再来一道关于氨分子的课堂习题？

麻省理工公开课 - 化学原理课程节选

Here's another variation.

我再来一道题

耶鲁公开课 - 基础物理课程节选