Rhinocladium

例句：

1. 1.The fossilized horn of a rhinoceros is often used as a symbol of power and strength.
   犀牛角化石经常被用作权力和力量的象征。
2. 2.The ancient Egyptians believed that the horn of a bull was a symbol of good luck.
   古埃及人相信公牛的角是好运的象征。
3. 3. The discovery of a rhinoceros horn in a cave has sparked debate about its historical significance.
   在洞穴中发现犀牛角引发了关于其历史意义的辩论。