topspin
名詞
UK/ˈtɒp.spɪn/
US/ˈtɑːp.spɪn/
定義 topspin 名詞
- Uncountable(不可数名词)
The forward rotation of a ball as it moves through the air.
（球的）上旋；上旋球
His topspin serve was difficult for his opponent to handle.
他的上旋发球让对手难以应付。
Tennis players often use topspin to control the trajectory of the ball.
网球选手经常使用上旋来控制球的轨迹。
The batter's topspin made the ball drop quickly inside the line.
打者的上旋让球快速落在线内。