natural sedimentation

例句：

1. 1. The river flows through the valley, carrying with it the natural sedimentation of the soil.
   这条河流流过山谷，携带着土壤的自然沉积。
2. 2.In the study of geology, understanding the process of natural sedimentation is crucial for predicting future landforms.
   在地质学研究中，理解自然沉积过程对于预测未来地貌形态至关重要。
3. 3. The team spent months studying the natural sedimentation patterns in the region.
   该团队花费数月研究该地区的自然沉积模式。