几岁？去GYM锻炼，有专门锻炼后背和臀部的器械，每组动作8个，做3组；每周锻炼 4次，两三个月除＂根＂。

来源: 爱吃肉的胖子于 2015-05-31 17:12:38 [旧帖] [给我悄悄话] 本文已被阅读：次

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