释义 |
〔eohippus〕A small, herbivorous, extinct mammal of the genusHyracotherium (or Eohippus ) from the Eocene Epoch of the western United States, having four-toed front feet and three-toed hind feet and related ancestrally to the horse. 始祖马:始新世产于美国西部的一种属于蹄兔 (或 始祖马 )属的哺乳动物,已灭绝,体型小,食草,前蹄四趾,后蹄三趾,为马的远祖 〔hyracothere〕A small herbivorous mammal of the genusHyracotherium (syn. Eohippus ) from the Eocene Epoch of North America, having four-toed front feet and three-toed hind feet and related ancestrally to the modern horse. 始马:北美洲始新世始马属 (与 始祖马属 同义)的小型草食性哺乳类,其前脚为四趾后脚为三趾,与现代马有血缘关系 |