古人云:五谷为养。这句话被世人代代传诵,由此引出了“主食”和“副食”的概念。你也许会有这种感觉:无论吃了多少肉和菜,不吃点米饭或馒头,就觉得这一餐是随便应付的样子,心里和胃里都觉得不太舒服。由此可见,主食在我们的一日三餐中有着不可或缺的作用。但是,你有没有想过:古人们吃的五谷跟我们现在吃 Ancients said: grain for the raise. This sentence was handed down from generation to generation, which leads to the concept of “staple food” and “non-staple food”. You may feel this way: No matter how much meat and vegetables you eat, no rice or steamed bread, you feel that this meal is just what you are looking for. It feels uncomfortable both in your heart and in your stomach. This shows that staple food has an indispensable role in our three meals a day. However, have you ever wondered: the ancient people eat the grain we eat now