或许你可以说他们是静止的球，只要轻轻一推就会滚动。
Or you can say they are motionless balls that will roll if titled a little.
youdao
他将球座往地面推了推，继续打球。
He pushes his tee further into the ground and plays.
应用推荐
模块上移
模块下移
不移动