英语词汇“carbon 12”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	carbon 12
释义	WordReference Random House Unabridged Dictionary of American English © 2024 carbon 12, Chemistrythe isotopic carbon atom that comprises 99 percent of naturally occurring carbon, and that since 1961 has been used as the standard for atomic weight by representing a unit of 12.00000. `Also, car•bon-12` (kär′bən twelv′).USA pronunciation 1940–45
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