urminine

例句：

1. 1.The urminine was a rare and valuable gem.
   这个乌金石是罕见的宝贵宝石。
2. 2. The urminine is said to have healing properties.
   据说乌金石有治愈性质。
3. 3.The urminine has been used in traditional medicine for centuries.
   乌金石在传统医学中被使用了几个世纪。