Taivo A Taiwan Mandarin dictionary

四大發明

sìdàfāmíng

ㄙˋ ㄉㄚˋ ㄈㄚ ㄇㄧㄥˊ

Simplified 四大发明

  1. 1the Four Great Inventions (papermaking, printing, the compass, and gunpowder, traditionally regarded as the four major inventions of ancient China)

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