流域 liú yù 🔊 river basin HSK 7–9 + Review this word Meanings liú yù river basinvalleydrainage area Its characters 流liúto flowHSK 4域yùfield Words with 流域 长江流域 Cháng jiāng liú yù Changjiang or Yangtze river basin 黄河流域 Huáng Hé liú yù the Yellow River basin 两河流域 Liǎng hé Liú yù Mesopotamia