n. large powerful tractor; a large blade in front flattens areas of ground
n. 推土机
[化] 推土机
1. The bulldozer cleared the land for the new building.
推土机为新建筑清理了土地。
2. They used a bulldozer to move the heavy rocks.
他们用推土机移动重石头。
3. The construction workers operated the bulldozer carefully.
建筑工人小心地操作推土机。