单双循环公式的推导过程简介：At this point, this cavalry battle that lasted for a day and night, in which Daming and Jianlu deployed almost all their cavalry, resulting in countless casualties and turning the white snow red, finally came to an end.
At this point, this cavalry battle that lasted for a day and night, in which Daming and Jianlu deployed almost all their cavalry, resulting in countless casualties and turning the white snow red, finally came to an end.
