英语词汇“columbium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	columbium
释义	Word Frequency columbium (kəˈlʌmbɪəm) noun the former name of niobium Word origin C19: from New Latin, from Columbia, the United States of America
随便看	testament testamental testamentar testamentarily testamentary testamur testate testation testator testatrix testatrix testatum test ban test ban treaty test-bed test bore test card test case test cricket testcross test data test-drill test-drive test drive test-driven

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