And while drivers and passengers alike in large motor homes are supposed to keep their seat belts fastened on the road, it's not uncommon to find someone in back reaching for cold refreshments, spreading maps out on a table - even taking a nap, fully reclined!

VOA: standard.2010.03.01

All right, so today we're going to fully have our discussion focused on multi-electron atoms.

好了，今天我们将要完整的讨论,关于多电子原子的问题。

麻省理工公开课 - 化学原理课程节选