v.浸水；向泛滥；淹没
The course changes frequently, and the area is so flat that a small change in the level of the river may inundate a considerable area. 河道变化多端，下游地区却很平坦，水位少许上涨河流就会淹没一大片土地。
n.洪泛的
动词inundate的过去式和过去分词形式.
