每天坚持走一万步好处简介：Qin Mei'er was about to say something, but Qin Qing said: Be quiet, now let's start choosing classes. Everyone will take turns to go to the podium and introduce themselves. Whoever goes up first.
Qin Mei'er was about to say something, but Qin Qing said: Be quiet, now let's start choosing classes. Everyone will take turns to go to the podium and introduce themselves. Whoever goes up first.
