Push a ping-pong table against a wall and play ping-pong with the wall, try to keep the ball off the ground.

把乒乓球桌一端顶着墙壁，站在另一端与墙对打，球不要落地。

youdao

Push a ping-pong table against a wall and play ping-pong with the wall, try to keep the ball off the ground.

把乒乓球桌一端顶着墙壁，站在另一端与墙对打，球不要落地。

youdao