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单词 deuterium
释义 deu·ter·iumBrE /djuːˈtɪəriəm/NAmE /djuːˈtɪriəm/, /duːˈtɪriəm/ noun [U] (symbol D) (chemistry 化学) an isotope of hydrogen with twice the mass of the usual (= a different form) of hydrogen with twice the mass of the usual isotope 氘,重氢(氢的同位素)
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更新时间:2025/3/12 17:29:22