柯林斯詞典prehistory /pri??h?st?r?/ 1. N-UNCOUNT Prehistory is the time in history before any information was written down. 史前時期 返回 prehistory劍橋詞典the period of human history before there were written records of events （有文字記載以前的）史前史，史前階段 Human prehistory is divided into three successive periods : the Stone Age, the Bronze Age, and the Iron Age. 人類的史前史可以分為3個相繼時期：石器時代、青銅時代和鐵器時代。 返回 prehistory