基本解释n.（击球前）向后挥拍同根派生 英汉例句用作名词 (n.)So why are we talking about the backswing?那么，我们为什么要讨论后摆动作呢？But to hit the ball with good quality, you have to have a good backswing.但是要想打出高质量的击球，一定要有好的后摆动作。