bipedalism 二足性
- Bipedalism - walking on two feet - is one of the defining characteristics of being human, and scientists have debated for years how it came about.
用两条腿走路是人类的基本特征之一,多年来,科学家们在这一特征的形成问题上一直争论不休。
bipedalism[ noun ]
the bodily attribute of being bipedal; having two feet
<noun.attribute>
bipedalism made the human form of birth possible