淤泥堆积抬高河床，不仅减少大坝使用寿命，而且增加洪水泛滥的可能性。
The resulting silt raises the level of the Yangtze riverbed, not only reducing the life of the dam, but also worsening the risk of floods.
他们的遗体堆积在湖底，然后被粘土和淤泥覆盖。
Their remains accumulated on the floor of the lake and were then covered by clay and silt.
北海市地处一个狭长的海湾，紧邻北部湾，河口的淤泥被浑浊的水流荡涤、堆积。这是软体动物和猎食者的天堂。
Beihai sits in a tight-lipped bay on the Gulf of Tonkin, where the rich silt of estuaries is swept and trapped by turbid currents-a paradise for molluscs and those that hunt them.
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