求翻译：饮食金字塔”的第一层是最重要的粮谷类食物，它构成塔基，应占饮食中的很大比重。第二层是蔬菜和水果，因此在金字塔中占据了相当的地位。第三层是奶和奶制品和食肉雷，以补充优质蛋白和钙。在饮食金字塔里稍稍占地位。第四层是糖果类食品。在营养金字塔里应当少量进食。我们只要按照金字塔进食，就会营养每天。是什么意思？

Food pyramid "of the first layer is the most important bread cereals, which constitute the base of the tower should account for a large proportion of the diet. Second level is fruit and vegetables and therefore occupy a significant position in the pyramid. Third mine-layer is the milk and milk products and meat, to complement the high quality protein and calcium. Position slightly in the food pyramid. The fourth floor is the candy products. In the nutritional pyramid should be a small amount of food. We only have to follow the pyramid feeding, nutrition every day.