英语词汇heptavalent怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	heptavalent
释义	heptavalent/heptəˈveil(ə)nt/adj. Chem. having a valency of seven; septivalent 【化】七价的
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