The torrential rain may flood the low-lying land out. 这场骤雨有可能把低洼地淹没。
The windmill in Netherlands already becomes an iconic structure and most of them situated along the edge of polders are actually wind pumps, designed to drain the land. 荷兰的风车已成为一种标志性构造，大多位于低洼地边缘建造的风车确实是风泵，目的是为了浇灌土地。
