n.穴居人；野人
Did cavemen drink soda and frozen juices? 穴居人喝苏达和冰冻果汁吗？
He realized that the film about cavemen contained an anachronism when he saw a jet cut across the horizon during a hunting scene. 他发现一场关于穴居人的电影中的一个错误，一个狩猎的镜头上一架飞机划过地平线。
