4个数字组成3个一组有多少种组合简介：——The cold river water, the fallen wheelchair, the two people fell into the water at the same time, and the water splashed, the coldness and despair in the face of death seemed to have returned to them.
——The cold river water, the fallen wheelchair, the two people fell into the water at the same time, and the water splashed, the coldness and despair in the face of death seemed to have returned to them.
