floodplain
翻译
泛滥平原, 洪泛区
例句
Many ancient cities were built on fertile floodplains.
许多古城都建在肥沃的泛滥平原上。
语法模式
((a floodplain)) 泛滥平原 Many ancient cities were built on fertile floodplains.
近义词
同义词: river plain (河漫滩), delta (三角洲), bottomland (河谷低地)
词源
由“flood”（洪水）和“plain”（平原）复合而成，指容易被洪水淹没的平原。
记忆技巧
想一想河边那片平坦的、容易被水淹没的土地。