基本解释
◎ 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