营养均衡均衡的营养就是要每天吃齐五谷、蔬果、奶和肉四大类食物,以摄足人体需要的养分。特别要求其中三种产能养分的比例要合理,即总热量的10%~20%由蛋白质提供,25%~30%由脂肪提供,剩下的则由糖类负担。这个比例看起来有些抽象,具体这样掌握就大致可以了(一天量):谷类食物300 Balanced and balanced nutrition is to eat grains, fruits and vegetables, milk and four types of food every day in order to take up the nutrients the body needs. In particular, the proportion of nutrients for the three kinds of production capacity should be reasonable. That is, 10% to 20% of the total calories are provided by the protein, 25% to 30% by fat, and the rest by sugar. This ratio seems to be somewhat abstract, so that it can be roughly grasped (a day’s volume): cereal 300