单词 hypocone 释义 hypocone Zool.|hapkn|[f. hypo- + cone n.1]An external cusp on the inner back corner of a mammalian upper molar tooth.1888H. F. Osborn in Amer. Naturalist XXII. 1072 The first ‘secondary’ cusps (hypocone—hypoconid), added to the uppe...