英语语法分析

As a result of fluvial scouring and aggrading the riverbed, the alluvial layer is fluid-saturated porous medium.

由于河流冲刷和河床加积，沉积层多饱和多孔。

There into the sea on the continental shelf of alluvial river delta formation.

在大陆架上有流入大海的江河冲积形成的三角洲。

The water cuts the alluvial banks of the " lower " river into deep horseshoe curves.

河水把下游那些冲积的河岸冲成很深的马蹄形曲线。