英语词汇“radium b”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	radium b
释义	WordReference Random House Unabridged Dictionary of American English © 2024 radium B, [Chem.] Chemistryan isotope of lead, formed by decay of radium A, that gives rise to radium C, which is an isotope of bismuth, from which radium D, radium E, and radium F, or polonium 210, are derived. 1900–05
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