第一次: first; for the first time发球: serve a ball; serve; service成功率: mission success rate; succes ...第一次发球: first service第一次发球员: first server(双打)第一次发球员: first server第一次发球得分率: first serve point average第一次发球的回球: first return失去第一次发球权: one down; one hand out; one out一次发球权: one hand第一次发力: first pull第一次发射: opening round一次成功率: first time silicon success第一次不成功: if each would sweebefore his own door we should have a clean city(双打开始时)一次发球权: one hand救球成功: pull of a save; pull off a save第二次发球: second service二次发球: first second serve两次发球权: two hands; two-hands第一次功率估算: first power estimate还有两次发球: two more两次发球失误: double fault; two-down一次发出: number quantity or set of items supplied and distributed at one time一次发汗: first sweating一次发汗蜡: crude scale