at on the ground, wishing he could bury his head in the earth. He dared not stop it.It's obvious that Li Yinhu is about to go crazy right now.Soon, the maid's struggles grew faint.Li Yinhu didn't stop... Yingxing said: "Your servant dares not disobey your command, but the development of gunpowder requires a large number of experiments, and the application for materials is afraid that it cannot avoid...