| 词汇 | 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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