提起维生素来,小朋友们一定不会感到陌生。维生素也叫维他命,意思是维持人体生命不可缺少的物质。维生素到底有多大的作用,我们是不是真的需要额外补充维生素呢? 如果我们把人体设想成为汽车的引擎,维生素就有如活塞一样。这种惊人的物质在食物中含量甚微,通常在一般食物中只有万分之一的含量,但它的作用却非常重要,生命体一旦失掉它就会死亡,所以,它是名副其实的维持生命的要素。 With vitamins, kids will not be unfamiliar. Vitamins, also called vitamins, mean substances that are indispensable to human life. Vitamins in the end how much effect, we do not really need extra vitamin? If we imagine the human body into a car engine, vitamins like a piston. This amazing substance is very low in food, usually only one ten thousandth of the normal food, but its function is very important. Once a living body has died, it will die. Therefore, it is a veritable life-sustaining The elements.