The ball comes off track.
球偏离轨迹
I'm interested in track event, field event, ball games and swimming.
我对径赛项目, 田赛项目, 球类比赛以及游泳感兴趣。
moat items for injuries are firstly gymnastics and ball games, then track and field.
受伤的项目以体操和球类居多，其次为田径
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