deuterium
noun /djuːˈtɪəriəm/
/duːˈtɪriəm/
[uncountable] (symbol D)
(chemistry- an isotope (= a different form) of hydrogen with twice the mass of the usual isotope
氘,重氢(氢的同位素) 词源1930s: modern Latin, from Greek deuteros ‘second’.
词汇 | deuterium |
释义 | deuteriumnoun /djuːˈtɪəriəm/ /duːˈtɪriəm/ [uncountable] (symbol D) (chemistry
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