floodplain
翻譯
泛濫平原, 洪氾區
例句
Many ancient cities were built on fertile floodplains.
許多古城都建在肥沃的泛濫平原上。
文法模式
((a floodplain)) 泛濫平原 Many ancient cities were built on fertile floodplains.
近義詞
同義詞: river plain (河漫灘), delta (三角洲), bottomland (河谷低地)
詞源
由“flood”（洪水）和“plain”（平原）複合而成，指容易被洪水淹沒的平原。
記憶技巧
想一想河邊那片平坦的、容易被水淹沒的土地。