单词 Hipparion 释义 ‖ Hipparion Palont.|hprn|[mod.L., ad. Gr. ἱά pony.]An extinct genus of quadrupeds of small size, of Miocene and Pliocene age, regarded as ancestrally related to the horse.1859Darwin Orig. Spec. vii. (1878) 201 The differences betwe...