tungomelane

例句：

1. 1.The tungomelane is a rare and valuable mineral that has been used in traditional medicine for centuries.
   这种矿物被称为“钨”，是一种稀有且珍贵的矿物，自古以来就被用于传统医学。
2. 2. The tungomelane is mined from the earth and then refined into various forms of electronic devices.
   钨矿从地下开采出来，然后被提炼成各种电子设备的形式。
3. 3.The tungomelane is also used as an alloy in the production of high-performance steels and alloys.
   钨也被用作高性能钢和合金的合金元素。