相对平均值计算公式简介：The two killers who had retracted their flying swords in front were just about to attack, but when they saw this scene, they chose to retreat without hesitation. However, how could Qin Fen let them retreat easily.
The two killers who had retracted their flying swords in front were just about to attack, but when they saw this scene, they chose to retreat without hesitation. However, how could Qin Fen let them retreat easily.
