selinene

例句：

1. 1. The selinene is a rare and valuable gemstone.
   这个宝石非常罕见且价值连城。
2. 2. The selinene has been used in ancient jewelry for centuries.
   这种宝石在古代珠宝中被使用了几个世纪。
3. 3. The selinene is known for its unique color and pattern.
   这种宝石以其独特的颜色和图案而闻名。