water body的用法和樣例：
例句
- A lake is a body of water surrounded by land.
湖泊是被陸地包圍的一個水體。 - This paper also introduces four kinds of water canal, and five kinds of cistern.
文中介紹了水渠和貯水池的幾種綠化美化型式。 - In western Gansu we have been building cisterns in villages that are short of water.
在甘肅西部，我們還為缺水的鄉村建了貯水池。
