noun🔗Share河马 A large, semi-aquatic, herbivorous (plant-eating) African mammal (Hippopotamus amphibius)"The zookeeper explained that the hippopotamus spends most of the day in the water to stay cool. "动物园管理员解释说，河马大部分时间都待在水里，这样可以保持凉爽。animalnatureorganismbiologyenvironmentChat with AIVocabulary GamePractice Reading
