What kind of beans are cooked in the "Boiling Bean Burning Bean Basket" in Seven Steps Poetry? Soybeans? Who can prove mung beans?

According to the fifth floor, it should be soybeans or black beans.

bean

The general term for beans.

Ga, beans also. Like the shape of a bean. -"Shuo Wen". Pressing it is like putting a seed out of its shape and pressing it under its root. First, the land is also. Of things.

It is difficult to kill weeds. -History of Five Elements

The reaper is the strongest. It was called "Zi" in ancient times and "Dou" in Chinese, and now it is called "Zi". Losers are a general term for many beans. But, soybean said, bean said, bean said, adzuki bean said, answer. "

-"Spring and Autumn Textual Research Post"

There are cymbals in the Central Plains, which Wang adopted. -"Poetry Xiaoya Xiaowan"

Common filial piety provides water for every family. -Lu You's The Dying Lake

Another example: soaking in water (refers to beans and water, refers to a meager diet, and describes the hardships of life; Refers to the support of the younger generation to the elders); Humulus scandens (rough tea and light rice. Chenopodium album: wild vegetables; Bean leaf); Milk (that is, tofu); Hulled oats (soybeans and wheat); There is no difference between hulled wheat (beans and wheat). Also refers to right and wrong, good or bad)