riverbed
河床
常用释义
英音[ ˈrɪvəˈbed ]
美音[ ˈrɪvərˌbed ]
基本释义
- n. 河床
考试频率
中考
考频：近四年出现1次
- n.河床
例句
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1·Scientists have dated sharp-edged flakes of stone found in the fine-grained sediments of a dry riverbed in the Afar region of Ethiopia to between 2.52 and 2.60 million years ago.科学家们已经确定，在埃塞俄比亚阿法尔地区干燥河床的细颗粒沉积物中发现的具有锋利边缘的石片存在于252万至260万年前。
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2·This creates deep pools in the riverbed and slows the water down.这就在河床上形成了深水池，使水流变慢。
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3·They dig out nests in the riverbed and lay their eggs.它们在河床上挖巢产卵。
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4·As a result of fluvial scouring and aggrading the riverbed, the alluvial layer is fluid-saturated porous medium.由于河流冲刷和河床加积，沉积层多饱和多孔。
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5·They walked along a dry riverbed.他们沿着干涸的河床走。
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6·The workers rammed piles into a riverbed .工人们把木桩打入河床内。
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7·They were ramming piles into the riverbed.他们夯木桩到河床内。
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8·The soldiers billowed across the muddy riverbed.士兵们翻腾过泥泞的河床。
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9·However the riverbed mesh is not an isolated infrastructure.然而，河床网不是一个孤立的基础设施。
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10·16the parched Allier riverbed near Brassac-les-Mines, central France.法国中部布拉萨·克莱米讷附近干枯的阿列河床。