英语词汇“periodic system”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	periodic system
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pe′ri•od′ic sys′tem (pēr′ē od′ik, pēr′-),USA pronunciation [Chem.] Chemistrya system of classification of the elements based on the periodic law. 1870–75
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