High school athletes sustain an estimated 300,000 concussions per year in USA
High school athletes: 300,000 concussions per year
所有跟帖:
• 放心吧,小中玩的游泳网球高尔夫击剑划船射击要得concussion还真不容易 -cutedolphin- ♂ (23 bytes) () 10/12/2017 postreply 16:25:44
• LOL!老中小中应该tough多一些。 -Rockeymountain- ♀ (0 bytes) () 10/12/2017 postreply 16:31:23