999英语网 英语单词
Hafnium的音标发音
Hafnium
英式发音：['hfnm]
美式发音
(noun.) a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
亚伯整理
(noun.) a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
亚伯整理