河床的英文：
riverbed
参考例句：
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An extremely fast - moving part of a river,caused by a steep descent in the riverbed.Often used in the plural.
急流，湍滩由于河床倾斜下降而形成的流动极快的河流的一部分，常用复数
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a youthful streambed.
幼年期的河床
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The river channel is deepening.
河床正在加深。
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Ram piles into the river bed
把桩打入河床
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estuary channel process
河口河床演变
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Ram piles into a river Bed
把桩打入河床内
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The brook warbled over its rocky bed.
小溪潺潺流过多石的河床。
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The soldiers billowed across the muddy riverbed.
士兵们翻腾过泥泞的河床。
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We shall have to widen out the river bed to avoid flooding.
我们将加宽河床以防洪水。
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It's so long since it rained that the river-bed is dry.
很久没有下雨了，河床都已干涸。
riverbed是什么意思：
n. 河床
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The soldiers billowed across the muddy riverbed.
士兵们翻腾过泥泞的河床。
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The riverbed is silted up, so there's no outlet for the floodwater.
河道淤塞，洪水无出路。
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Archaeologists excavated fossilized dinosaur tracks from the riverBed
考古学家从河床中挖掘出恐龙的足迹化石。
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It's so long since it rained that the river-bed is dry.
很久没有下雨了，河床都已干涸。
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Sediment deposited by flowing water,as in a riverbed,flood plain,or delta.
冲积层河床、洪水淹没的平原或三角洲中的流水淤积所产生的沉积层
