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

So, now we can talk about it in different terms, Ei for example, talking about e sub i, which is the incident energy or the energy of the light that comes in, or talking about work function here, and that's just another way to say threshold energy.

现在我们可以从不同的方面,来谈论它了，举例来说，它是入射能量或者进来的光的能量,或者谈论这里的功函数，它是另一种描述临界能量的方式。

麻省理工公开课 - 化学原理课程节选

So, for example, for boron, 2s2 now we're dealing with 1 s 2, then 2 s 2, and now we have to move into the p orbital 2p1 so we go to 2 p 1.

举例来说对于硼，现在我们知道有1s2然后，现在我们必须,移至p轨道即。

麻省理工公开课 - 化学原理课程节选