去美国前我应该复习复习英语吗？

Ought I to brush up my English before I go to America?

youdao

不管你是新手还是老将，来复习复习跑步理论也不会有害的。

Whether you're a new or experienced runner, it never hurts to review running concepts.

youdao

杰克：让我们来复习复习吉恩·海克曼的生平吧。

Jack: Let's take review at Gene Hackman's life and career.

youdao

So this is going to be review still again, and for those of you for whom it isn't review don't worry.

那么就当作是复习了,那些之前没有学过的同学也不用担心

耶鲁公开课 - 博弈论课程节选

For example, let's pretend that you are speaking with a friend who had been studying for a test for some time.

例如，我们假设你跟一位朋友在聊天，他已经为一门考试复习了好一段时间。

I'm sure 课堂 - SpeakingMax英语口语达人

There are many kinds of work. There's electrical work, take the motor, you plug it into the wall, electricity makes the fan go around, that's electrical work. There's magnetic work.

我们复习一下大一,学过的功的概念：,物体在力的作用下，运动了一段距离。

麻省理工公开课 - 热力学与动力学课程节选