名词
中文翻译：Unknown
同义词：
['cleaning', 'purging', 'cleaning up', 'clearing']
例句：
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1. The firefighters were working tirelessly to extinguish the flames.
消防员们正不懈地努力扑灭火焰。
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2. After the explosion, we had to clean up the debris and remove any hazardous materials.
爆炸后，我们必须清理碎片并移除任何危险物质。
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3. The company decided to clean up its act by improving its environmental practices.
公司决定通过改善其环境实践来整顿行为。