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◎ 三大发明 sān dà fāmíng [the three major inventions by the Chinese——gunpowder, printing and compass] 中国古代的三种大的发明:火药、活字印刷和指南针 三大發明sān dà fā míngㄙㄢ ㄉㄚˋ ㄈㄚ ㄇㄧㄥˊ 火藥、印刷術、指南針。此三者皆創始於我國，為我國的三大發明。