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无遮档发球实施几个月来,有很多人来信、来电询问怎样理解“从发球开始到球被击出,球不能被发球员或其双打同伴的身体或衣服的任何一个部分挡住”这句话的真正含义。
In the last few months there have been many letters from people asking how to interpret the phrase “from the beginning of service until the ball is hit, the ball can not be blocked by any part of the body or clothing of the player or his doubles companion” The true meaning of words.