四大文明
よんだいぶんめい
the four great civilizations of the world (China, Babylon, India and Egypt; as put forward by Chinese scholar Liang Qichao in 1900)
四大発明 is read as よんだいはつめい (yondaihatsumei) and means Four Great Inventions (of China: the compass, gunpowder, papermaking and printing).
よんだいはつめい
yondaihatsumei