And in doing that, we'll also talk about the shapes of h atom wave functions, specifically the shapes of orbitals, and then radial probability distribution, which will make sense when we get to it.

为了这样做，我们要讲一讲，氢原子，波函数的形状，特别是轨道的形状，然后要讲到径向概率分布，当我们讲到它时，你们更能理解。

麻省理工公开课 - 化学原理课程节选

If you hook a radio wave up with a radio, you can tell the radio wave was there because what the radio is doing?

如果你用收音机检测无线电波，你可以知道无线电波在那,因为收音机在干什么？

耶鲁公开课 - 死亡课程节选