presternite

例句：

1. 1. The presternite isa rare mineral that has been discovered inthe area.
   预斯特尼特是一种稀有矿物，已在该地区发现。
2. 2. Thepresternite wasused as a currency in ancienttimes.
   预斯特尼特在古代被用作货币。
3. 3. The presternitehas been studied for its potential applications inmedicine and technology.
   预斯特尼特已被研究用于其在医学和技术领域的潜在应用。