1、换球
...court surfaces场地表面 拾球员ball change换球bye比赛轮空 ...
2、脚掌换步
... 连接步(Link) 脚掌换步(Ball Change) 快慢侧行走步(Promenade Walks Quick And Slow) ...
3、更换新球
... a game 专业锦标赛使用少年男孩或女孩在比赛中捡球 Ball change 更换新球 they stay as bouncy as possible 在锦标赛中每几局比赛过后就会换新球，以确保球 ...
4、掌换步
... 两全反身跑步prom to counter prom run 掌换步ball change 森巴旁步side samba alk ...
Ball-change转换步
ball gear change lever球节变速杆
A ball change four一球变四
Kick Ball Change踢换脚掌
ball type electromagnetic change valve电磁球式换向阀
change ball换球
speed change ball milling变转速球磨
the improved change ball扩展