怎样研究大小单双的规律简介：——The forward cavalry of the Ming army has arrived at the gate of Yizhou City. Du Keqali is guarding the city. The Ming army is looting the surrounding areas. There are more and more soldiers and horses, and Yizhou has been surrounded.
——The forward cavalry of the Ming army has arrived at the gate of Yizhou City. Du Keqali is guarding the city. The Ming army is looting the surrounding areas. There are more and more soldiers and horses, and Yizhou has been surrounded.
