
ball [bɔːl] n. 球
英英解释(牛津词典):
a round object used for throwing, hitting or kicking in games and sports

ball的特点:
- 一个圆的物体(a round object )
- 在游戏和运动中用于投掷、击打或踢(used for throwing, hitting or kicking in games and sports)

a round object used for throwing, hitting or kicking in games and sports