elytridium

例句：

1. 1. This elytridium is the most valuable gem in the world.
   这种宝石是世界上价值最高的。
2. 2. The elytridium was discovered by accident while exploring a cave.
   在探索一个洞穴时偶然发现了这种宝石。
3. 3. The elytridium 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。