光著的脚板在硬地板上啪嗒啪嗒地走。

Bare feet pattered along the hard floor.

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这是橡胶接触地面的部分。鞋底的设计会影响你在硬地和土场上的摩擦力。

This is where the rubber meets the road. The outsole's design affects the traction you'll get on hard and clay courts.

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第二轮，罗迪克与安德·列夫宣战，他在硬地和红土上，曾是自己的手下败将。

Andy Roddick could get Igor Andreev, a player he's lost to on hard and clay courts in the past, in the second round.

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