Lichenes

例句：

1. 1. Lichens are fascinating organisms that can survive in extreme environments.
   地衣是令人着迷的生物，可以在极端环境中生存。
2. 2. The lichens on the rocks provide a unique habitat for many species of insects.
   岩石上的地衣为许多昆虫提供了独特的栖息地。
3. 3.Lichens have been used as medicinal herbs for centuries due to their anti-inflammatory properties.
   由于其抗炎性质，地衣被用作数百年来的药用草药。