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。

Many tennis players have a misconception of achieving topspin on groundstrokes.
许多网球选手对于落地回击上旋球有误解.

upper tropsphere anticyclone
对流层上部反气旋

Assuming your driving the ball or hitting with topspin.
假定你用力击球或以上旋球打击。

When you are playing at the place with the wind, it wasn't easy for me to play the backhand with topspin.
当你在有风的地方打球时，反手的上旋球就不那么好打。

Johnson rushes up and makes a topspin forehand drive.
约翰逊上网，正手抽上旋球。

How much is the topspin jumping off the court?
上旋球的话在这场地会如何？

This is the main reason everyone likes topspin.
这是每个人喜欢上旋得主要理由。

forehand topspin
正手击上旋球

In the fourth stroke topspin attack is mostly used.
接发球时以摆短为主，第四板主要使用上旋转攻。

The racquet face is a bit closed, so she'll generate some topspin.
她现在的拍面是闭合的，因此她就可以加上点上旋。