名词
中文翻译：河床桥
同义词：
['河流桥，河堤桥例句：1. The riverbed is covered with a thick layer ofmud.（河床覆盖着一层厚厚的泥。）']
例句：
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1. The riverbed is covered with a thick layer ofmud.
河床覆盖着一层厚厚的泥。
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2. Theriver bed is home to many rare speciesof fish.
河床是许多稀有鱼类的家园。
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3. The river bed was once filled withwater, but now it's dryand barren.
河床曾经被水填满，但现在干涸且荒芜。