1 is the general term for beans. As the old saying goes, "The reaper is the strongest. In ancient times, it was called _, and in Chinese, it was called "bean". This word is called "Ji". The loser is the general name of many beans. However, soybeans are said to be glutinous, bean seedlings are said to be huo, and adzuki beans are said to be _. " Bean products are also one of the favorite foods in China.

2. Five kinds of cereals commonly known as "five grains". There are many different opinions about "five grains" in ancient times, and the most important ones are two: one refers to rice, millet, millet, wheat and glutinous rice; The other refers to hemp, millet, millet, wheat and glutinous rice. The difference between the two is that the former has rice without hemp, while the latter has hemp without rice. The ancient economic and cultural center was in the Yellow River valley, and the main producing area of rice was in the south, while the cultivation of rice in the north was limited, so there was no rice in the "five grains" at first.