hipparion的翻译，读音
释义：
三趾马[属]
n. An extinct genus of Tertiary mammals allied to the
horse, but three-toed, having on each foot a small lateral hoof on each
side of the main central one. It is believed to be one of the ancestral
genera of the Horse family.
n. An extinct genus of Tertiary mammals allied to the
horse, but three-toed, having on each foot a small lateral hoof on each
side of the main central one. It is believed to be one of the ancestral
genera of the Horse family.