名词两足动物

1. 步迹;两足：Billboard广告牌 | Biped步迹;两足 | Birth诞生;生产

2. 双足的：expedition 脚出去--探险 | biped 双足的 | pedal 脚蹬的地方

1. 两足动物
A biped is a creature with two legs.

noun

1. an animal with two feet