ball-up
短语n. 混乱
词形变化
ball-ups
复数
ball-ups
释义与例句
n.
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1.
The method by which the field umpire restarts play at a neutral contest after a stoppage within the field of play, involving the throwing or bouncing of the ball up between two players, known as rucks, who then attempt to win possession for their teams.
体育