digitigrade
digitigrade[ˈdɪdʒɪtɪˌgreɪd]adjective- (Zoology)(of a mammal) walking on its toes and not touching the ground with its heels, as a dog, cat, or rodent
(动)趾行的。 比较 plantigrade
语源- mid 19th cent.: from Latin digitus 'finger, toe' + -gradus '-walking'
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