名词
中文翻译：丙酮
同义词：
['acetone', 'methyl ethyl ketone', 'propylene glycol ketal']
例句：
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1. The chemical was used as a solvent for the reaction.
该化学物质被用作反应的溶剂。
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2. The propane gas is lighter than air and can be used to power small engines.
丙烷气体比空气轻，可以用于驱动小型发动机。
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3.The propane tank was leaking, causing a fire hazard.
丙烷罐正在泄漏，存在火灾危险。