试着在课堂上做笔记并在课后复习笔记。

Try to make notes in class and revise them after class.

youdao

课后复习我们今天学的内容。

Go over the lesson we learned today after class.

youdao

上课记笔记，下课后复习。

Took notes in class, and reviewed them after class.

youdao

I think the book has a fairly good description of it so if you don't pick up everything in the lecture, hopefully you've read that beforehand, and you can go back to it afterwards and read about things that didn't make sense.

我认为课本对DNA表述很详细,所以在课堂上无需面面俱到,希望你们之前做过预习,课后你们可以通过复习,弄懂那些不甚理解的地方

耶鲁公开课 - 生物医学工程探索课程节选