The each hour in human body is each to engrave all at inhale the fresh air, to provide the demand of the machine metabolism;
人体每时每刻都在吸进新鲜空气，以供机体新陈代谢的需要；
The each hour in human body is each to engrave all at inhale the fresh air, to provide the demand of the machine metabolism;
人体每时每刻都在吸进新鲜空气，以供机体新陈代谢的需要；
应用推荐