boric spar

例句：

1. 1.The boric spar is used in the production of glass.
   硼酸石用于制造玻璃。
2. 2.Boric spar is a valuable mineral resource.
   硼酸石是一种宝贵的矿产资源。
3. 3.The boric spar was extracted from the mines in the area.
   硼酸石从该地区的矿中提取出来。