20个数几组二中二

简介：It is not easy for the army to move forward. If it encounters rain and snow again, it may not be able to move even twenty miles in one day. However, the Ming people have strong walls and clear fields. There is no human habitation within a hundred miles. They cannot grab food and can't drive the Ming people to fill in the trenches. , If the delay continues, the 90,000-strong army may be trapped in these barren mountains and rivers.