With YN, it's bettr to use back crawl instead of breaststroke.....
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: Latino2 于 2006-5-30, 11:30:54:
回答: 游泳如果是自由式应该算有氧运动还是无氧运动? 由 HunHunSheng 于 2006-5-29, 17:08:21:
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