发球: serve a ball; serve; service 短语和例子发球得分 ace; 发球犯规 fault; 发球失误 missed service; 巧妙的发球 a tricky serve; 接发球 a return of a service; 换发球 change of service; side out; change service! 该你发球。 your se
下手发球: underarm serviceunderarm-serveunderhand service
发球权: right courtright of serveright of serviceright to serveright to service
Put the white ball in the trigger . pull the trigger backwards and aim it at the red ball . press the button to release the white ball 把白球放在发球器上，将发射杆拉后，对准红球，按掣将白球射向红球。
2.
Put the white ball in the trigger . pull the trigger backwards and aim it at the red ball . press the button to release the white ball 1 .把白球放在发球器上，将发射杆拉后，对准红球，按掣将白球射向红球。
