prehistoric
adj
of or concerning the time before recorded history 史前的
prehistoric man, monuments, cave paintings 史前的人類、 遺跡、 洞穴壁畫
(joc or derog 謔或貶) His ideas on the education of girls are positively prehistoric, ie extremely old-fashioned. 他在女子教育問題上所持的觀點是老掉牙的.