Bears and all animals that can, but usually don't walk on two legs can be called facultative bipeds.
熊和所有可以但通常不会用两条腿走路的动物都可以称为兼性两足动物。
| 单词 | Facultative biped |
| 释义 |
Facultative biped
原声例句
阿尔伯塔大学-恐龙古生物学 Bears and all animals that can, but usually don't walk on two legs can be called facultative bipeds. 熊和所有可以但通常不会用两条腿走路的动物都可以称为兼性两足动物。
英语百科
Facultative bipedA facultative biped is an animal that is capable of walking or running on two legs, often for only a limited period, in spite of normally walking or running on four limbs or more. Well-known examples include many lizards such as the Basilisk lizard, and even some cockroaches when running at top speed. Low-speed facultative bipedality is less common; the gibbon, a primate with an anatomy highly specialized for arboreal locomotion, can walk bipedally in trees or on the ground with their arms raised for balance. |
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