bipedal
🇬🇧/ˌbaɪˈpiːdl/ 🇺🇸/ˌbaɪˈpiːdl; ˌbaɪˈpedl/📚 32276having or using two feet; walking or capable of walking on two legs "Humans are bipedal creatures, meaning they walk on two legs."
adjective [原级]两足动物的；二足的
Because they were bipedal, their arms were free to evolve flapping flight, which cannot be said for other reptiles of their time.
因为它们是两足动物，它们的手臂可以自由地进化出拍打的翅膀，这在当时的爬行动物中是不可能的。
noun [专属名词]两足动物
This is a robotic walking machine, bipedal, about 4 meters tall.
这是一个行走机器人，双足，高约4米。
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