river basin編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看river basinriver basin — 名詞名詞1. the area of land that drains into a river and its tributaries1.名詞釋義流域the area of land that drains into a river and its tributaries例句The Amazon river basin covers a huge area of South America.