backspin的翻译，读音

近义词

n. reversalchangeover

例句

You are learning the backhand topspin and backspin serves. 你（你们）在学习发反手上旋球和下旋球。

Services include the backhand topspin and backspin serves the forehand topspin and backspin serves and the high toss service. 发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。

Services include the backhand topspin and backspin serves , the forehand topspin and backspin serves , and the high toss service. 发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。

The rebound angle of the backspin is… 滑动反弹的球，角度小、速度快更具攻击性。

This backspin makes the ball easier to catch. 后旋球容易接。