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。