英语四大发明

这是一篇关于英语四大发明的思维导图，包含Papermaking：Cai Lun、Eastern Han Dynasty；gunpowderz：The Sui Dynasty。

Great inventiony

• Printing
  • Bi Sheng
    • Huainan
  • The Tang Dynasty
    • make books
    • Tang suit
• compassb
  • Western Han Dynasty
    • Judgment direction
    • Survey geology
    • Hanfu
  • Zhang Heng
    • Nanyang Xier
    • 78-139
• gunpowderz
  • The Sui Dynasty
    • Sui suit
    • bomb
    • make guns
  • Sun Simiao
    • 541-682
    • Jingzhaohuayuan
• Papermaking
  • Cai Lun
    • Guiyuang
    • 49-121
  • Eastern Han Dynasty
    • write
    • draw piatures
    • make books
    • Hanfu
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