extinct species of primitive hominid with upright stature but small brain;
"Homo erectus was formerly called Pithecanthropus erectus"
例句
用作名词 (n.)
Given their age, the prints were most likely made by Homo erectus, the first human ancestor to sport long legs and short arms, Harris said. 考虑到脚印所处的时代,它们很可能是石器时代直立猿人的遗迹,这些猿人是第一个用长腿和断臂运动的人类祖先。