alluvial plain

A small, [[incised alluvial plain from Red Rock Canyon State Park (California).]]

1. The region is known for its alluvial plains, which are ideal for agriculture.
   这个地区以其冲积平原著称，这些平原非常适合农业种植。
2. Alluvial gold is found in riverbeds, often deposited by flowing water.
   冲积金通常存在于河床中，常常是水流沉积而成的。