混合双打 mixd-double 男单men's singles 男双men'sdoubles 女单women's singles 女双women'sdoubles 发球次序 order of service 发球区 service court 一发球员first server 右场right court 发球权right to serve 发球serve 接发球return of service 发球方serving side 发高远球long high serve 连击double hit 扣球smash 扑rushing 平抽drive 回球return 连续扣杀consecutive kill 防守反击defence and fight back 轮换位置Switch position 旗鼓相当的比赛grudge match