词汇“heptad”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	heptad
释义	heptadheptad[ˈheptæd]n.1.■七个, 成七的一组[套]2.■【化】七价物, 七价元素, 七价基
随便看	petrol [diesel] (motor) roller petrol dripping petrol dump petrol-electric generating set petrol-electric traction Petrolene petrol engine petrol-engine petroleum petroleum additive petroleum aromatic petroleum asphalt petroleum as weapon petroleum black petroleum butter petroleum can petroleum car petroleum ceresin(e) petroleum chemical petroleum chemistry petroleum chromatography petroleum coal petroleum composition petroleum corporation petroleum crude

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