劍橋詞典the part of a surface that is the best or most effective possible place to hit something （球拍、球棒等上的）最有效擊打點 The new tennis rackets are lighter , stronger , and have a bigger sweet spot . 新網(wǎng)球拍更輕、更結(jié)實，而且有效擊球區(qū)更大。 返回 sweet spot