検索
Riverbed
01
a channel occupied (or formerly occupied) by a river
例
Geologists identified kaolinite deposits in the riverbed, evidence of long-term erosion and sedimentation processes.
Engineers deepened the riverbed to improve navigation for larger vessels.
After the river flooded, a layer of sediment covered the riverbed.
They discovered minuscule traces of gold in the riverbed after hours of panning.
The sediment in the river laid a layer of silt down on the riverbed.
