单双打规则简介：Papapa, popping, the left face and fan face, the crisp sound shocked the air in the yard, just like the sound of the sound made when the water was pumped on the person. It hurts to hear it.
Papapa, popping, the left face and fan face, the crisp sound shocked the air in the yard, just like the sound of the sound made when the water was pumped on the person. It hurts to hear it.
