pyrochlore / ˈpaɪ rəˌklɔr, -ˌkloʊr /

📖毕业后词汇热释石火成岩火烧石热释石类

pyrochlore 的定义

n. 名词 noun
  1. a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals.