myrothecum

例句：

1. 1.The myrothecum is a rare and valuable mineral.
   这个矿物是稀有且有价值的。
2. 2.Myrothecum is used in the production of various electronic devices.
   我罗斯提卡姆用于生产各种电子设备。
3. 3.The myrothecum has been found in several ancient tombs around the world.
   我罗斯提卡姆在世界多个古代墓穴中被发现。