一、各种食物都有营养特点 我国的食物多种多样,各种食物所含营养成分不完全相同,没有一种食物是十全十美的。就以营养价值最高的母乳来说,出生后两个月内的婴儿只喂母乳可以发育很好,到三四个月就要逐步添加各种辅助食品以补充母乳中所不足的营养素。各类食物中所含营养素各有 First, all kinds of food have the nutritional characteristics of China’s diverse foods, all kinds of food contains nutrients are not exactly the same, there is no one food is perfect. In the case of breast milk of the highest nutritional value, infants born within two months of birth can only develop breast milk well and gradually add various auxiliary foods in three or four months to supplement the deficiencies of nutrients in breast milk. Each type of food contains nutrients in each