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Do you know?
paper-making
造纸术
compass
指南针
printing
印刷术
gunpowder
火 药
The four great inventions
Printing, gunpowder, paper-making and the compass are the four great inventions of the ancient China. They were invented by Chinese. They still play an important part in the modern world.
The four great inventions
Inventions changed our world!
abacus
calculator
computer
bike
motorbike
car
plane
rocket
telephone
mobile phone
vision phone
Inventions changed our world!
candle
light bulb
TV
fridge
Do you know what these inventions are?