pulvilliform

例句：

1. 1.The pulvillus is a small, hair-like structure found in the soil.
   菌丝体是土壤中发现的一种小而毛发状的结构。
2. 2.The pulvillus is responsible for breaking down organic matter in the soil.
   菌丝体负责在土壤中分解有机物质。
3. 3.The pulvillus plays an important role in maintaining soil health and fertility.
   菌丝体在维护土壤健康和肥力方面起着重要作用。