单词	red man
释义	red man noun 1 dated, often offensive : american indian 2 Red Man [Improved Order of Red Men] : a member of a major benevolent and fraternal order Word History First Known Use 1725, in the meaning defined at sense 1
随便看	sulfon- sulfonal sulfonamide sulfonamides sulfonate sulfonated sulfonated oil sulfonates sulfonating sulfonation sulfonations sulfonator sulfonchloramide sulfone sulfonephthalein sulfones sulfonic sulfonic acid sulfonium sulfoniums sulfonmethanes sulfonphthalein sulfonyl sulfonyl chloride sulfonyls

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