When the top spun, he looked very nice.

当陀螺旋转时，他看起来很好看。

But at the end of the film, there's a spinning top that's spinning.

但在影片的最后，有一个陀螺在旋转。

You do that eight billion times in your life and you can hit a good top spin backhand.

如果你把这个动作做上八十亿次那你一定能打个漂亮的反手上旋球。

One way of thinking of spin is to imagine the particles as little tops spinning about an axis.

思考自旋的一种方式是将粒子想象成围绕轴旋转的小陀螺。