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单词 hafnium
释义

haf·ni·um

noun
/ˈhæfniəm/
/ˈhæfniəm/
[uncountable]
(symbol Hf)
  1. a radioactive chemical element. Hafnium is a hard silver-grey metal.铪(放射性化学元素)
    Word Origin1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.
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更新时间:2025/8/8 15:07:54