单词	hippopotamus
释义	hip·po·pot·a·mus \ˌhipəˈpäd.əməs, -ätəm-\ noun Etymology: Latin, from Greek, from hippo- hipp- + potamos river, from petesthai to fly, dart, rush — more at feather 1. plural hippopotamus·es \-sə̇z\ or hippopota·mi \-ˌmī, -(ˌ)mē\ : any of various large herbivorous four-toed chiefly aquatic mammals of the order Artiodactyla with an extremely large head and mouth, bare and very thick skin, and short legs; especially : a member of the genus Hippopotamus (as H. amphibius) formerly common in most rivers of Africa that is except for the elephant the bulkiest existing quadruped and has long canine and incisor teeth that yield a good quality of ivory 2. capitalized [New Latin, from Latin] : a genus (the type of the family Hippopotamidae) of mammals that includes the typical hippopotamuses
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