drop ball
noun [ C ] uk/ˈdrɒp ˌbɔːl/ us/ˈdrɑːp ˌbɑːl/
（足球比赛开始时的）争球
a way of starting a football game again that involves the referee dropping the ball between two opposing players who must compete to get it after it hits the floor
The game was restarted with a drop ball. 比赛以争球开始。