Eutheria
/juːˈθɪərɪə/1
- Zoology a major group of mammals that comprises the placentals【动】真兽亚纲。比较METATHERIA.
1.1
- Infraclass Eutheria, subclass Theria.真兽下纲, 兽亚纲。
派生词
eutherian
noun & adjective词源
modern Latin (plural), from EU- 'well, prospering'+Greek thērion 'wild beast'.