名词
中文翻译：Unknown
同义词：
['excavator', 'bulldozer']
例句：
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1. The construction crew used a lopper to dig the foundation for the new building.
建筑队使用一台铲子为新大楼挖掘地基。
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2. The bulldozer was used to level the land before the new road was built.
在新建道路之前，使用了一台推土机来平整土地。
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3. The excavator was used to clear away the debris left by the storm.
挖掘机被用来清除风暴留下的残骸。