Now take the fundamental case, forget about gravitation and weird things like that.

现在先来看下基本的例子，把诸如万有引力那些的奇怪事物先放在一边。

youdao

Now take the fundamental case, forget about gravitation and weird things like that.

现在先来看下基本的例子，把诸如万有引力那些的奇怪事物先放在一边。

youdao