水是人们离不开的物质。它虽然不是人们常说的营养物,但对人体来说是最重要的物质。它调节人体的生理过程,促进人体的新陈代谢。人可以长时间不吃食物,但不能长时间不喝水。水像空气一样,本是最廉价的生命物质,但却被有些人利用,制造出一些水的神话…… Water is inseparable from the material. Although it is not a nutrient that people often say, it is the most important substance to the human body. It regulates the body’s physiological processes and promotes the body’s metabolism. People can not eat food for a long time, but can not drink for a long time. Like air, water is the cheapest living material, but it is used by some people to create some water myth ...