你能看到物体重心吗，它稳定地运动，你们能看到吗？

Can you see that the center of mass is moving very uniformly, or can you not see that?

youdao

你们能看到吗？你们可能支持极刑，或者反对，但是任何做成这个论点的人，都明确反对极刑，不是吗？

Can you see that, you might be for capital punishment or against it but anyone who made this argument is clearly against capital punishment aren't they?

youdao

你们能看得到吗？，仍然可以看到，对吧？

Can you see it? You can still see it, right?

youdao

So if we do this and we form the molecule ammonia, let's switch to a clicker question, and have you tell me what the bond angle - is going to be in ammonia -- HNH Actually, let me draw it on the board as you look -- actually, can you put the class notes on, since you don't actually have your notes to refer to.

如果这样做的话，我们就可以形成氨分子，让我们来做一个课堂练习,你们告诉我氨分子中的键角是多少-,键角，the，h，n，h，bond，angle。,实际上让我在黑板上画出它来，这样你们可以看到实际上-,你能把课堂讲义放出来吗，因为你们没有讲义可以参考。

麻省理工公开课 - 化学原理课程节选