hafnium
noun /ˈhæfniəm/
/ˈhæfniəm/
[uncountable] (symbol Hf)
- a radioactive chemical element. Hafnium is a hard silver-grey metal.
铪(放射性化学元素) 词源1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.
词汇 | hafnium |
释义 | hafniumnoun /ˈhæfniəm/ /ˈhæfniəm/ [uncountable] (symbol Hf)
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