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单词 hafnium
释义
N5798026hafniumSpoken.1Fiction.1Magazine.10Newspaper.0Academic.14

hafnium

/ˈhæfnɪəm/
noun
mass noun
the chemical element of atomic number 72, a hard silver-grey metal of the transition series, resembling and often occurring with zirconium. (Symbol: Hf)
(化学元素)铪(符号:Hf)。
词源
1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.
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更新时间:2025/8/23 14:53:18