活字印刷术、指南针、火药和造纸术被称为中国四大发明。
The movable type printing, the compass (指南针) , gun powder and the paper making are called four great inventions of China.
大多数国人熟悉中国四大发明。
Most Chinese people are familiar with the four great inventions in ancient China.
指南针是中国四大发明之一。
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