1. 洪水;水灾
If there is a flood, a large amount of water covers an area which is usually dry, for example when a river flows over its banks or a pipe bursts.
e.g. More than 70 people were killed in the floods, caused when a dam burst...
大坝决口造成洪灾，70 多人因此丧生。
e.g. This is the type of flood dreaded by cavers...
这正是洞穴探险者害怕的那种洪水。
2. 淹没;使充满水
If something such as a river or a burst pipe floods an area that is usually dry or if the area floods, it becomes covered with water.
flood是什么意思
e.g. The Chicago River flooded the city's underground tunnel system...
芝加哥河的河水淹没了城市的地下隧道系统。
e.g. The kitchen flooded.
厨房被水淹了。