我们将米的概念放大,来说一说主食。主食是人每日所需能量的主要来源,是碳水化合物特别是淀粉的主要摄入源。对于我们中国人来说,主食就是谷类作物(如大米、玉米、白面等)及其制品,有些地方将薯类也作为主食的一部分。在日常膳食生活中,还要强调主食粗细搭配的合理性。主食搭建了人们膳食宝塔的底 We will magnify the concept of rice, say a staple food. Staple food is the main source of energy needed by people daily and is the main source of intake of carbohydrates, especially starch. For our Chinese, staple foods are cereals (such as rice, corn, flour, etc.) and their products, and in some places, potato is also part of staple food. In the daily dietary life, but also emphasize the rationality of the staple food with the thickness. Staple food people built the pagoda bottom