Find the exact grip that allows you to hit the ball hard.

找到能让你大力击球的准确握拍方法。

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The hand - strong enough to hold a 14-stone load - is also so versatile that Matthew can grip a pen to draw pictures and write, tie his shoe LACES and catch a ball.

这只手足够强大，能够举起14石的负重，同时也功能多多，使得马修可以握住一支笔进行绘画和书写、绑鞋带和抓起一个球。

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In baseball, pitchers sometimes bite the ball to raise the seams, allowing for easier grip to throw breaking pitches.

在棒球比赛中，投手们有时候会用牙把球咬出一道道缝，以便在抓球的时候扔出更多变化多端的线路。

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He also has unnaturally large hands, which allow him to grip the ball tighter and throw with greater velocity.

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"I was able to grip the ball better today, " said Niese, who also pitched in cold weather last weekend in Minneapolis.

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But on a high friction surface like clay, the ball will grip more and change the trajectory of the ball quite significantly.

BBC: SPORT | Tennis | Rules and Equipment | On the rebound