北京猿人 [ㄅㄟˇ ㄐㄧㄥ ㄩㄢˊ ㄖㄣˊ; bei3 jing1 yuan2 ren2] Peking ape-man Homo erectus pekinensis (c. 600,000 BC), discovered in Zhoukoudian 周口店[ㄓㄡ ㄎㄡˇ ㄉㄧㄢˋ; zhou1 kou3 dian4] in 1921 ◄ ►