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。
Like other rivers that wind across coastal plains, the course of the lower Indus river shifts frequently.
和其他在沿海平原兜来兜去的河流一样，印度河下游的河道捉摸不定。
The suburb of Yeronga (image lower left) also has evident regions of flooding, as does a park and golf course located along a bend in the Brisbane River to the south of St. Lucia (image center).
耶龙加(Yeronga)地区（图片左下方）同样是灾情严重的地区——这块布里斯班河河湾岸边的地方，位于圣露西亚（St.Lucia; 图片中心）南部，有公园和高尔夫球场；
A great quantity of sediment deposited on the lower river course and riverbed gradually raised and suspended is the essential reason of severe threatening of floods in the lower Weihe river.
大量的泥沙淤积在下游河道，河床逐渐淤高，是渭河下游水患威胁严重的根本原因。
A new city is in the course of brewing and planning east of the North-East, in the delta of lower reaches of the Tumen River.
在东北的东部，图们江下游的三角洲，有一座新兴的城市正在酝酿、规划中。
The paper puts forward and calculates the lowest environmental water demand in river course of stem stream according to the features of ecosystem and environment of lower reach of Yangtze River.
依据长江下游生态环境特点提出并概算了长江下游干流河道内最小环境需水量。
The paper puts forward and calculates the lowest environmental water demand in river course of stem stream according to the features of ecosystem and environment of lower reach of Yangtze River.
依据长江下游生态环境特点提出并概算了长江下游干流河道内最小环境需水量。
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