名词
中文翻译：Unknown
同义词：
['excavator', 'digger', 'earthmover operator']
例句：
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1. The sapper was the first to break through the wall.
那个挖土工是第一个突破墙壁的人。
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2. The earthmover operator carefully removed the rocks from the path.
挖掘机操作员小心翼翼地从路径上移走了岩石。
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3. The excavator is used for large-scale construction projects.
挖掘机用于大型建设项目。