裁判说球可以弹起，因此我们必须继续比赛。

The referee said the ball was bouncing so we had to continue.

youdao

所以说球坐标系,其实就是在rz平面再建立一个极坐标。

So the idea of spherical coordinate is you're going to polar coordinates again in the rz plane.

youdao

什么击打球? 快， 马上回答。 不是球拍， 而是拍面， 或者说球线。 记住这点。

What hits the ball? Quickly, answer. It's not the racket, it's the racket's face, or strings. Keep this in mind.

youdao

I always throw that back at people and say, damn it, read some history.

我总是将这个球抛回去并说,你这家伙,还是多读点历史吧

耶鲁公开课 - 美国内战与重建课程节选

and he played on that team I told you about in Finland, Jokerit, so I think that's why I like him.

他在我跟你说的祖卡列特也打过球，我猜我因为这个喜欢他。

喜欢曲棍球 - SpeakingMax英语口语达人