Tetrapod

[tetrәpәd]

解释:

(noun.) a vertebrate animal having four feet or legs or leglike appendages.

康拉德编辑--From WordNet

解释:

(n.) An insect characterized by having but four perfect legs, as certain of the butterflies.

加勒特录入

解释:

n. an insect distinguished by having but four perfect legs.—adj. four-footed with four legs—also Tetrap′odous.—n. Tetrap′ody a group of four feet.

校对:诺琳