flood outvt.背井离乡
floodv.淹没;充满n.洪水
flood and waterlogging control防洪治涝
flood of North Korean refugees朝鲜难民潮
flood inducing torrential rain致洪暴雨
flooding inundation simulation淹没模拟
flood control of Yangtze River长江防洪
flood control storage capacity防洪库容
flood forecast and dispatching洪水预报调度
flood-frequency relationship洪水频率关系