| 单词 | 河床 |
| 释义 | 〔lead〕A deposit of gold ore in an old riverbed.富金砂矿：古河床里的金砂矿床〔alluvium〕Sediment deposited by flowing water, as in a riverbed, flood plain, or delta. Also called alluvion 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 也作 alluvion〔stream〕A flow of water in a channel or bed, as a brook, rivulet, or small river.河流：在河道或河床的水流，如小溪，细流或小河〔plant〕To place (spawn or young fish) in water or an underwater bed for cultivation:放养：为繁殖而在水中或在水下河床撒入（鱼卵或幼鱼）：〔wadi〕A valley, gully, or streambed in northern Africa and southwest Asia that remains dry except during the rainy season.旱谷（干河床）：北非或西南非的山谷、峡谷或河床，除雨季外一直保持干涸〔streambed〕The channel through which a natural stream of water runs or used to run.河床：自然水流或用来淌水的渠道〔billabong〕A streambed filled with water only in the rainy season.只在雨季有水的河床〔trace〕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。〔aquifer〕An underground bed or layer of earth, gravel, or porous stone that yields water.地下蓄水层，砂石含水层：含有水的泥、砂砾或多孔石的地下河床或地层〔runway〕The channel of a stream.河床：小河的渠道〔thalweg〕The line defining the lowest points along the length of a river bed or valley.河流谷底线：延着整条河床或河谷长度，用来界定最低点的线〔aggrade〕To fill and raise the level of (the bed of a stream) by deposition of sediment.使填积；使淤高：通过沉淀淤积而填充或升高（河床）的高度〔dewater〕To remove water from (a waste product or streambed, for example).脱水：除去…的水分（例如废品或河床）〔riverbed〕The area between the banks of a river ordinarily covered by water.河床：常被水覆盖的一条河流两岸之间的区域〔rapid〕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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