review 复习

例句：Before the examination we have a review of the term's work.
考试之前，我们复习一学期的功课。
Have you reviewed what we covered in class yesterday?
昨天我们课堂上讲的东西你们复习了吗?

preview 预习
例句：They sent the recording for our preview.
他们把那录音送来给我们预先审查。
Please preview the text before next class.
下次来上课之前请预习课文。