他在这盘发球出现了一些双误。

He has served a number of double faults in this set.

《牛津词典》

如果是双误，对手即使没有还球，发球方也会失分。

If you fail again, you lose the point even though your opponent has not even had to return the ball.

youdao

如果是双误，对手即使没有还球，发球方也会失分。

If you fail again, you lose the point even though your opponent has not even had to return the ball.

youdao