noun 下载 🔗分享 双足动物,两足动物 An animal, being or construction that goes about on two feet (or two legs). Examples : "Humans are bipeds, unlike dogs who usually walk on four legs. " 人类是双足动物,而狗通常用四条腿走路。 animal physiology anatomy biology organism being 与AI对话词汇游戏阅读练习