流域

Meaning

1. n
   drainage basin; catchment basin; river basin; watershed; valley

Example sentences

• まず、私の活動範囲は、おもに養老川下流域です。

  First off, my area of work is mainly in the lower reaches of the Yourou River.

• 激しい雨がその流域に洪水をもたらした。

  The heavy rain brought floods in the valley.

• ダムが切れて流域に大水が押し寄せた。

  The dam gave way and sent a great flush of water down the valley.