直立人 zhílìrén Homo erectus Definitions Defs Origin Strokes Stroke Words Sentences Sents 直立人 zhílìrén Homo erectus Extinct species of human from the Pleistocene epoch that was able to walk upright and use tools
直立人 zhílìrén Homo erectus Extinct species of human from the Pleistocene epoch that was able to walk upright and use tools
