leveling origin

例句：

1. 1.The car was leveled by the roadside.
   汽车被路边的石头压平了。
2. 2.The team leveled out after a tough game.
   经过一场激烈的比赛后，队伍的水平稳定下来。
3. 3. The ground is leveling up as the construction continues.
   随着建设继续进行，地面正在平整。