Tell me precisely what you and the master were doing.

确切地告诉我你和总领在做些什么。

youdao

Now let me just introduce a quantity that probably a lot of you have heard about in physics that measures precisely fairly ought to be conservative.

接下来，我们介绍一个量，你可能在物理上听过很多次，它可以用来判断一个场是否保守场。

youdao

Tell me more precisely what you mean.

把你的意思明确的地告诉我。

youdao