prehistory发音名词1史前时代、史前史These cave paintings offer a rare glimpse into human prehistory.这些洞穴壁画让我们难得一窥人类的史前时代。2前史、早期背景The book traces the prehistory of the internet back to the 1960s.这本书把网路的前史追溯到一九六〇年代。用这个字练口说→