单词：bipedalism, bipedality
音标：['baipedə,lizəm; ,baipi'dæləti] ；
n. 【动物学】；双足的；有双足的；用双足行走(或站立)的
单词：bipedalism, bipedality 相关文章
By Jessica Berman Washington 31 May 2007 Scientists say early human ancestors may have begun walking on two legs on tree branches, not on the ground as commonly believed. The evidence contradicts the long-held belief that early humans first began wal
发表于:2018-12-08 / 阅读(222) / 评论(0)
2007年VOA标准英语（五月）
2007年VOA标准英语（五月）