pileorhiza

例句：

1. 1. The pile of leaves on the ground is starting to decompose.
   地上的一堆叶子开始分解了。
2. 2. We need to add some compost to our garden to improve the soil quality.
   我们需要在花园里添加一些堆肥来改善土壤质量。
3. 3. The farmer used manure from the cows to help the pile of soil decompose faster.
   农民使用了牛粪来帮助土壤更快地分解。