The outer river is a naturalrivercourse, whose main function is to drain floods during rainy seasons.
外江是自然河道，其作用是在雨季排泄大量洪水。
2
In the lower reaches, where the current slows, the natural accumulation of sediment in the riverbed has caused the river to change course often in the past.
在河流下游，由于流速变缓，泥沙(等沉淀物)自然而然地堆积在河床中，曾经造成黄河经常改道。
3
NaturalRiver Lake in residential construction and acquisition features to developers and real people are of course ideal choice.