Paper is first made/invented in the Western Han Dynasty. 纸最早在西汉时被发明 再问： 印刷术 火药呢？ 还有指南针？ 谢谢。 再答： Printing was first invented in the Sui Dynasty. 印刷术 隋朝 Compass was first invented in the Warring States Period. 指南针 战国时期 Gunpowder was first invented in the The Tang Dynasty. 火药 唐朝
