坠球 meaning in English

ballast ball
drop ball

A dropped ball is a way of restarting the match after a temporary stoppage which becomes necessary , while the ball is in play , for any reason not mentioned elsewhere in the laws of the game
坠球是在比赛进行中因竞赛规则未提到的原因而需要暂停比赛之后，重新开始比赛的一种方法。
A dropped ball to restart the match after play has been temporarily stopped inside the goal area takes place on the goal area line parallel to the goal line at the point nearest to where the ball was located when play was stopped
比赛暂停之后，在距比赛停止时球所在的球门区内的地点最近的，与球门线平行的球门区线上坠球，重新开始比赛。