如果你发球触网，你可以重发一次。

If you hit the net, you can serve again.

youdao

落网球就是发球时球触网而没过网。

A net ball is when the ball hits the net, but doesn't go over it.

youdao

落网球就是发球时球触网而没过网。

A net ball is when the ball hits the net, but doesn't go over it.

youdao