Finally, make some general notes about your mood that day, so you can refer to it later.

最后，为了你可以日后参考它，对那天你的心情做一些一般性的总结，。

youdao

You can refer to my notes if you review.

如果你复习功课的话，可以参考我的笔记。

youdao

Listening carefully in class - no just furiously taking notes. Notes can be borrowed from friends, or you can refer to reference materials later. Listen in class!

在课堂上认真听讲-不要只是急着记笔记。笔记是可以向朋友借，或者你也可以借助参考材料。上课认真听！

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