| 释义 |
高等动物gāoděng dòngwù在动物学中,一般指身体结构复杂、组织和器官分化显著并具有脊椎的动物。但在脊椎动物中,对鱼类而言,称四足类(包括两栖类、爬行类、鸟类和哺乳类)为高等动物;对两栖类以下的无羊膜动物而言,则称爬行类以上的羊膜动物为高等动物;对爬行类以下的变温动物而言,则称鸟类和哺乳类恒温动物为高等动物。更狭义的专指哺乳类为高等动物。{higher animal; gen. referring to vertebrates that have complex body structures and distinct systems and organs, such as amphibians, reptiles, birds, and mammals; compared with animals that fall under the category of amphibians, amniotas are above reptiles and are higher animals; compared with poikilothermal animals, homoiotherms are higher animals; in a narrow sense, referring to mammals} |