推土机

例句：

1. 1. The construction crew used a bulldozer to level the land for the new road.
   施工队使用推土机平整土地，为新路做准备。
2. 2.The bulldozer was used to clear away the debris from the construction site.
   推土机被用来清理建筑工地上的残骸。
3. 3. The bulldozer was a crucial tool in the construction of the new bridge.
   推土机是建造新桥过程中不可或缺的工具。