英语词汇“pyrazine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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单词	pyrazine
释义	Definition of pyrazine in English: pyrazine noun ˈpʌɪrəziːnˈpɪrəziːn Chemistry A weakly basic, crystalline, heteroaromatic compound which is a diazine with the nitrogen atoms at opposite positions in the ring; any substituted derivative of this compound. Origin Late 19th century. From German Pyrazin from pyr- (in Pyridin) + Azin. Definition of pyrazine in US English: pyrazine noun Chemistry A weakly basic, crystalline, heteroaromatic compound which is a diazine with the nitrogen atoms at opposite positions in the ring; any substituted derivative of this compound. Origin Late 19th century. From German Pyrazin from pyr- (in Pyridin) + Azin.
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更新时间：2026/6/18 5:53:52