riverbed; runway

1. 枯竭的河床，并不感謝它的過去。
   The dry river-bed finds no thanks for its past.
2. 地下蓄水層，砂石含水層含有水的泥、砂礫或多孔石的地下河床或地層
   An underground bed or layer of earth, gravel, or porous stone that yields water.
3. 沖積層河床、洪水淹沒的平原或三角洲中的流水淤積所產(chǎn)生的沉積層
   Sediment deposited by flowing water, as in a riverbed, flood plain, or delta.
4. 河床上有很多卵石。
   There are many pebbles on the riverbed.

河的英語翻譯：

床的英語翻譯：