名词
中文翻译：清洁工
同义词：
['cleaner', 'cleaner', 'cleaners']
例句：
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1. The cleaner-grader was assignedto clean the office before the meeting.
清洁工被分配在会议前打扫办公室。
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2. Thecleaner-grader used a broomand dustpan to sweep the floor.
清洁工使用扫帚和簸箕清扫地板。
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3.The cleaner-grader was praisedfor their hard work and dedication.
清洁工因其辛勤工作和奉献精神受到赞扬。