flood plain
Longman Dictionary of Contemporary English 5++LDOCE 5++ˈflood plain noun [countable] SGthe large area of flat land on either side of a river that is sometimes covered with water when the river becomes too full 〔河边的〕洪泛区，泛滥平原，涝原
Examples from the Corpus
flood plain• Her dammed-up intelligence overflowed like a flood plain.• The little town crowns a low plateau just out of reach of the flood plain of the nearby Deerfield River.ˈflood plain nounChineseSyllable
a flat of of Corpus land either side the area large on
flood plain
ˈflood plain
noun [countable]
the large area of flat land on either side of a river that is sometimes covered with water when the river becomes too full
ˈflood plain
noun [countable]the large area of flat land on either side of a river that is sometimes covered with water when the river becomes too full