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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。
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I'm about to finish this course. Keep it up.
我马上就要完成这个课程的学习了，再接再厉哦！
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I'll take about five more minutes to finish up and that'll give us some time for questions.
大概五分钟结束,留给你们一些时间提问。
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All right. So today we're going to finish up our discussion of the hydrogen atom.
好，今天我们要结束,关于氢原子问题的讨论。
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OK. We wanted to finish up that section, we're now going to start on a new section, and I want to try and do one and a half things in the remaining time. I'm going to introduce one topic that we're going to deal with fairly quickly, and then we tackle the second topic, it's going to start today, and we're going to carry on.
我们该结束这一段了，现在我们要开始新的课程，我在接下来的时间里要做1。5件事情,我首先会很快的对一个我们,要学习的课题,进行一个介绍，然后再进入第二个话题，今天我们只是开始这个话题，以后还要继续讲。
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That's the question I want us to consider again for next week as we finish the Apology ?! and move our way up to the Crito. Okay?
这是我希望大家在下周,结束《苏格拉底自辩篇》之前思考的问题,然后我们将进入《克里托篇》，好吗？
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it's clear that you want to add a vector that looks like that, because then you go from the start of this to the finish of that, you end up at the same point and you get this invisible 0 vector.
显然应该给它加上这样一个矢量,因为从这个矢量的起点指向那个矢量的终点,最终指向的是同一个点,你就得到这个不可见的零矢量
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So, to finish up today, we won't get through all of it.
今天课快要结束了，我们不会展开来讲它。
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So we're going to finish up with those today.
因此我们今天将会把那部分讲完。
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And this is how I'll want to finish up today.
我想以这个结论结束本次演讲。
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So, we need to finish up with periodic trends.
那么，我们要先讲完周期性规律。
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We'll finish that up, and then we're going to move on to talking about the p orbitals.
我们将会结束这部分讨论，并且继续讨论ｐ轨道。
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