guest Moderator 管理成员 注册 2002-10-07 消息 402,508 荣誉分数 76 声望点数 0 2018-07-19 #1 A growing body of research suggests early sports specialization — spending eight months or more a year playing a single sport — can do young athletes more physical harm than good. 查看原文...
A growing body of research suggests early sports specialization — spending eight months or more a year playing a single sport — can do young athletes more physical harm than good. 查看原文...