换发球 meaning in English

[体育] change of service

Alternate in serving boundary
换发球,双打中一方轮流发球
In doubles , at each change of service the previous receiver shall become the server and the partner of the previous server shall become the receiver
在双打中，每次换发球时，前面的接发球员应成为发球员，前面的发球员的同伴应成为接发球员。
The indonesian rattled up the points to take a 7 - 0 lead and although he was held up for several exchanges of serve at 8 - 1 , regained the initiative to go to game point at 14 - 2
印尼选手很快以7 - 0的领先，在比分为8 - 1时的几次换发球中稍稍受阻之后，他重新取得了比赛主动，并以14 - 2一举打到了赛末点。