He practices his topspin serve every day.

他每天练习他的上旋球发球。

Using topspin can help control the ball's trajectory.

使用上旋球可以帮助控制球的轨迹。

The tennis player uses topspin to make the ball dip quickly.

网球运动员使用上旋球使球快速下沉。

The coach taught her how to generate topspin on her forehand.

教练教她如何在正手击球时产生上旋球。

Adding topspin to your shots can make them more difficult to return.

给你的击球加上上旋球可以使它们更难回击。

This is the main reason everyone likes topspin.

这是每个人喜欢上旋的主要理由.

This is the main reason everyone likes topspin .

这是每个人喜欢上旋的主要理由。

New ball physics accurately recreate bouncing, skidding and topspin.

球的新的物理性能精准地再现球的反弹, 滑动和上旋.

I am good at the backhand topspin.

我擅长反手上旋球。

Johnson rushes up and makes a topspin forehand drive.

约翰逊上网,正手抽上旋球.