Read Edit View history 流域 liúyù HSK7 river basin Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 流域 · liúyù · river basin 2026/03/04 流域 liúyù river basin the entire geographical area drained by a river and its tributaries 长江流域是中国人口最密集的地区之一。 noun created sense Mar 4, 2026, 02:25 AM