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.
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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.
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Topspin spin is when the ball is spinning over itself in the direction moving forward.
许多网球选手对于落地回击上旋球有误会.我将试着简略地阐明一下.
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