What we had just done a clicker question on is discussing light as a particle and the photoelectric effect, so we're going to finish up with a few points about the photoelectric effect today.

我们刚才做得课堂表决器那个问题,是讨论光作为一个粒子以及光电效应，所以今天我们将以一些,关于光电效应的观点作为结束。

麻省理工公开课 - 化学原理课程节选

So, we need to finish up with periodic trends.

那么，我们要先讲完周期性规律。

麻省理工公开课 - 化学原理课程节选

So we're going to finish up with those today.

因此我们今天将会把那部分讲完。

麻省理工公开课 - 化学原理课程节选