floodbasin洪泛平原: flood plain洪泛区: floodplain; flooded area泛: float; drift洪: I big; vast; grand区: H region; H下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:洪泛平原 洪泛区 泛洪区,即可在微信中查询翻译