grolarWiktionary 原文英/ˈɡrəʊlə/美/ˈɡroʊlɚ/构词拆解polar词干‘polar bear’+grizzly词干‘grizzly bear’词源说明Blend of polar (“polar bear”) + grizzly (“grizzly bear”).释义名词noun1A hybrid cross between a polar bear and a grizzly.