英语词汇“polycyclic aromatic hydrocarbon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	polycyclic aromatic hydrocarbon
释义	polycyclic aromatic hydrocarbon n. Abbr. PAH Any of a class of carcinogenic organic molecules that consist of three or more benzene rings and are commonly produced by fossil fuel combustion. Also called polynuclear aromatic hydrocarbon.
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