bornelone

例句：

1. 1.The bornelone is a rare and precious gemstone.
   这种宝石非常罕见且珍贵。
2. 2. The bornelone was discovered in the remote mountain village.
   这种宝石是在偏远的山村发现的。
3. 3.The bornelone has been used for centuries as a symbol of wealth and power.
   这种宝石被用作财富和权力的象征已有数百年历史。