单词streambed
un.: 河床
复数：streambeds
The profile of the new streambed shall be designed and constructed to maintain the flow at the retained stream sections in dry season.
新河床水平的设计及建造，须确保被保留河段的水流，在旱季得以维持。
Within 30 minutes, I was marching up a dry streambed, above the trees, on a ridge matted with magenta shrubs and dotted by boulders.
差不多30分钟的时候，我走在一个干枯的河床，上面长着树，在凸起的地方遍布着红色的灌木丛和星星点点的石头。
A streambed filled with water only in the rainy season.
只在雨季有水的河床
Measurement of streambed hydraulic conductivity and anisotropy analysis
河床水力传导度及其各向异性的测定
Field experiment on the effect of streambed substrate on macroinvertebrate diversity
河床底质对大型底栖动物多样性影响的野外试验
Simulation of Heat Transfer between Streambed and River Flow
河床与水体热交换的数值计算