流域 (ryuuiki) Japanese meaning: drainage basin | Kotomoraし
て
いる
。
Floods caused by heavy rain occur frequently in this river basin.
It is necessary to investigate the water quality of the entire watershed.
Usage patterns
〈場所〉の流域the drainage basin of (a river)
The drainage basin of the Tone River extends across the Kanto region.
流域に住むto live in a river basin
Many people live in the basin of this river.
流域で洪水が起こるfor flooding to occur in a drainage basin
Flooding occurred in the basin due to heavy rain.
流域の環境を守るto protect the environment of a drainage basin
Activities are being carried out to protect the environment of the drainage basin.
