noun 下载 🔗分享 食人鱼，水虎鱼 Any of the carnivorous freshwater fish living in South American rivers and belonging to the subfamily Serrasalminae. Examples : "The aquarium had a separate tank just for the piranhas. " 水族馆里有一个单独的鱼缸，专门用来养食人鱼。 fish animal biology nature 与AI对话词汇游戏阅读练习
