專題公告
仰臥起坐是我經(jīng)常和朋友們做的運(yùn)動(dòng)，為了增加點(diǎn)趣味性，則時(shí)不時(shí)進(jìn)行一些對(duì)抗賽，看看誰(shuí)的腰腹肌更強(qiáng)！希望大家喜歡！
投稿
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