So let's take two cases of shielding if we're talking about, for example, the helium, a helium nucleus or a helium atom.

所以我们来对屏蔽举两个例子,如果我们在讨论氦，举例来说一个氦原子核或者氦原子。

麻省理工公开课 - 化学原理课程节选

That's why I started with a spacial example: the train and move to the temporal example: the car.

所以今天一开始,我举出了特殊的例子：火车,现在又举例：汽车。

耶鲁公开课 - 死亡课程节选

But we haven't yet addressed why, for example, a 2 s orbital islower in energy than the 2 p orbital, or why, for example, a 3 s orbital is lower in energy than a 3 p, which in turn is lower than a 3 d orbital.

但是我们还没有强调为什么，举个例子一个2s轨道能量低于2p轨道,或者为什么，举例来说它依次低于3d轨道,屏蔽一个3s轨道的能量小于3p轨道。

麻省理工公开课 - 化学原理课程节选

So, for example, to give an example that Plato actually gives in the dialogue, we are all awake now, but previously we were asleep.

举例来说吧,柏拉图在对话中举过这么个例子,我们现在都清醒着,但之前我们都在熟睡

耶鲁公开课 - 死亡课程节选