n.（擊球前）向后揮拍
So why are we talking about the backswing? 那么，我們?yōu)槭裁匆懻摵髷[動作呢？
But to hit the ball with good quality, you have to have a good backswing. 但是要想打出高質(zhì)量的擊球，一定要有好的后擺動作。
