Oops. the rate of breathing is 12-16/minute for human being.

has a long way to go. maybe a good idea.

所有跟帖: 

12-16 what? 次/小時 還是 升/小時 -Clovelly- 給 Clovelly 發送悄悄話 (1 bytes) () 08/16/2014 postreply 01:08:46

請您先登陸,再發跟帖!