食物是人类生命的基础。人体的健康、生理和智力的发育都直接与采食的食物数量和质量有关。食品是多样的,每种食物都含有不同的营养成分。人们从食品中得到的营养素有蛋白质、脂肪、碳水化合物、矿物质、维生素和水六大类。这些主要营养素都是构成人体的主要物质,缺一不可。身体根据营养的需 Food is the foundation of human life. Human health, physical and mental development are directly related to the quantity and quality of food being taken. The food is varied, each containing different nutrients. People get nutrients from food protein, fat, carbohydrates, minerals, vitamins and water six categories. These are the main nutrients that constitute the body’s main material, indispensable. The body according to the needs of nutrition