水库英语的说法是 "reservoir"，来源于法语词汇 "reservoir"，意为"储存容器"。例句：

The water in the reservoir is used for irrigation. (水库里的水用于灌溉)

The dam on the river forms a large reservoir. (河流上的大坝形成了一个大水库)

The reservoir is a popular destination for boating and fishing. (水库是划船和钓鱼的热门目的地)