lichenification

例句：

1. 1. 石生菌类
   一种植物
2. 1. The lichens on the rocks are a reminder of the ancient forest that once thrived there.
   岩石上的地衣是曾经繁盛的古老森林的提醒。
3. 2. Lichenification is a natural process that occurs in many ecosystems.
   石生菌化是一种自然发生的过程，发生在许多生态系统中。
4. 3. The soil was undergoing lichenification when we dug it up.
   当我们挖出土壤时，它正处于石生菌化过程中。