wolframite / ˈwʊl frəˌmaɪt, ˈvɔl- /

📖毕业后词汇黑钨矿黑钨石黑钨钢钨矿

wolframite 的定义

n. 名词 noun
  1. a mineral, iron manganese tungstate,WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.

更多wolframite例句

  1. Before the war nearly half of the world's supply of tungsten ore (wolframite) came from Burma.