这种衰退的累积意味着我们生命的长度，是由细胞受损的速度和损伤被修复的效率之间的平衡控制的。
This degenerative buildup means that the length of our lives is regulated by the balance between how fast new damage strikes our cells and how efficiently this damage is corrected.
球道所有人保留限制球杆长度以保护球洞免受损伤的权利。
Course owners reserve the right to restrict club length to avoid damage to the hole.
他的舌头保留了足够长度，让他还可以勉强说话，不过他口腔的形状变了，舌头遭到损伤，吃东西非常困难。
He retained enough of his tongue that he was able to compensate for speech, but the altered shape of his oral cavity and the damage to his tongue made eating difficult.
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