英语词汇“roman alum”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	roman alum
释义	roman alum noun Usage: usually capitalized R : alum crystallized in cubes; especially : alum formerly made from alunite at Tolfa near Rome that was reddish because of a very small amount of iron oxide though otherwise very pure
随便看	labor exchange labor force labor grade labor income laboring laboring laboringly laboring oar labor-intensive laborious laboriously laboriousness laborism laboristic laborite laborite laborless labor market labor movement labor of love labor organization labor relations labors laborsaving labor skate

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