hafnium / ˈhæf ni əm, ˈhɑf- /

📖毕业后词汇铪铪合金铪铪铪元素

hafnium 的定义

n. 名词 noun

Chemistry.

  1. a gray, toxic metallic element with a high melting point, found in most zirconium minerals. Symbol: Hf; atomic weight: 178.49; atomic number: 72; specific gravity: 12.1.