流域

liúyù

HSK 7

流域 — liúyù

1. river basin; drainage area (the land area drained by a river and its tributaries)

   长江流域面积很大，人口众多。 chángjiāngliúyù miànjī hěndà rénkǒuzhòngduō — The Yangtze River basin has a very large area and a dense population.