名词短语
中文翻译：单元清洁
同义词：
['united clean', 'united state clean', 'united nations clean']
例句：
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1. The team needs to maintain a united clean environment for the project.
团队需要为项目维护一个团结一致的清洁环境。
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2. The city is committed to achieving a united clean goal.
该城市致力于实现一个统一的清洁目标。
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3. The campaign aims to promote united cleanliness in public spaces.
该活动旨在促进公共空间的清洁统一。