translation.en: We were able to tell that she belonged to the human family tree because the legs, the foot, and some features clearly showed that she walked upright, and upright walking is a hallmark in humanity.
translation.zh: 我们能够告诉大家的是她属于 人类的大家庭，因为她的腿、脚、 和其他一些特征很明显的显示了她直立行走， 而直立行走是人类的专属标志。