millpond

详细解释:n. 用水池, 水车用贮水池

英语解释：

名词 millpond:

a pond formed by damming a stream to provide a head of water to turn a mill wheel

详细解释：

mill.pond

n.（名词）
A pond formed by a milldam.
贮水池：由磨坊水坝形成的小池塘