1.Water，水，表示物质名称是不可数名词。
There is hot and cold running water in all the bedrooms.
所有的卧室里都有冷热自来水。
I need to drink more water.我需要喝更多水。
The village gets its water from a nearby well.这个村庄从附近的井获得水源。
We went fishing in the calm waters of the lake.我们在湖面平静的水域钓鱼。
She enjoys swimming in the open water.
她喜欢在开阔的水域游泳。
There is hot and cold running water in all the bedrooms.
所有的卧室里都有冷热自来水。
The pump doesn't work and we have no running water.
水泵坏了，我们没有自来水了。
The system wastes a large amount of water.
这套系统浪费了大量的水。
He spends money like water.
他挥霍无度。
另外指大片的水；水域；（尤指）江，河，湖，海；（一片）水面；也是不可数名词
an area of water , especially a lake, river, sea or ocean；the surface of a mass of water
We walked down to the water's edge.
我们步行到水边去。
Trees and bushes grew down to the water's edge.
树和灌木丛一直长到了水边。
The water squirted all over me.
唧了我一身水。
She fell into the water.
她失足落水。
shallow/deep water
浅 / 深水域
2.“water”作为湖水、瓶装水、海域，（海、江、湖、池、河等大片的）水或水域；某国的近海海疆；矿泉水，矿泉浴；羊水；不明朗（或未知的、困难、危险等）局面
“water”就是可数的，加“s”变为“waters”
the grey waters of the River Clyde
克莱德河灰蒙蒙的河水
We were still in British waters.
我们仍在英国的领海上。
This species is found in coastal waters around the Indian Ocean.
在环印度洋沿岸的海域有这一物种。
the waters of Nile尼罗河的水
