noun 下载 🔗分享 分类单元,类群 A group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Examples : "In biology class, we learned that birds, mammals, and reptiles are all major taxa within the animal kingdom. " 在生物课上,我们学到鸟类、哺乳动物和爬行动物都是动物界中的主要类群。 biology organism science nature group 与AI对话词汇游戏阅读练习