水的世界太宽广了。仅就饮料品种都数不胜数。但我说渴了还是喝天然无污染的白开水好!水是人类机体赖以维持最基本生命活动的物质,所以水也是一种极为重要的营养素。以前因为饮水和空气的来源一般都不困难,很少有污染,所以人们也就没 The world of water is too broad. There are countless varieties of drinks. But I said thirsty or drink natural unpolluted water boiled water is the human body to maintain the most basic life activity of the material, so water is also an extremely important nutrient. In the past, drinking water and air were generally not difficult because of their sources, and there was very little pollution, so people did not