两个色子单双概率简介：Behind the four formations were a hundred armored banner men with white flags, all holding long swords. Their task was not to attack the city, but to supervise the battle. Anyone who retreated would be killed without mercy.
Behind the four formations were a hundred armored banner men with white flags, all holding long swords. Their task was not to attack the city, but to supervise the battle. Anyone who retreated would be killed without mercy.
