hafnium

详细解释:n. 铪
【化】 铪
【医】 铃(72号元素)

词型变化：

简写符号:Hf

英语解释：

名词 hafnium:

a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons同义词：Hf, atomic number 72