pit deepening

例句：

1. 1. The workers are pitting the soil to prepare for planting.
   工人们正在挖掘土壤，准备种植。
2. 2. The pitting of the soil is a sign of spring.
   土壤的挖掘是春天到来的标志。
3. 3. The pitting of the soil will affect the growth of plants.
   土壤的挖掘会影响植物的生长。