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- 枯竭的河床，并不感谢它的过去。
The dry river-bed finds no thanks for its past.
- 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
An underground bed or layer of earth, gravel, or porous stone that yields water.
- 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
Sediment deposited by flowing water, as in a riverbed, flood plain, or delta.
- 河床上有很多卵石。
There are many pebbles on the riverbed.
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