他的教学方法太过时了，简直像来自石器时代。
His teaching methods are so ___antediluvian that they seem from the Stone Age.
这些石碑上的文字记录了远古大洪水前的文明。
The inscriptions on these stone tablets record the ___antediluvian civilizations before the great flood.
浙公网安备33010902004675号