flooding

1. N-UNCOUNT If flooding occurs, an area of land that is usually dry is covered with water after heavy rain or after a river or lake flows over its banks. 洪水泛濫

The flooding, caused by three days of torrential rain, is the worst in sixty-five years. 由3天暴雨引發的這場洪水泛濫是65年來最爲嚴重的。