名词
中文翻译：擦地板的人
同义词：
['floor sweeper', 'floor cleaner']
例句：
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1.The grubbers were busy cleaning the floors in the house.
清洁工正在忙着打扫房子的地板。
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2. The grubbers are responsible for keeping the floors clean and tidy.
清洁工负责保持地板干净整洁。
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3.The grubbers use a special tool to remove dirt and grime from the floor.
清洁工使用一种特殊的工具来从地板上去除污垢和污渍。