| 释义 |
eu·theria
\(ˈ)yü+\ noun plural
Usage: capitalized
Etymology: New Latin, from eu- + Theria
: a major division of Mammalia originally coextensive with the subclass Theria but in modern usage an infraclass or other division of Theria comprising the placental mammals as opposed to the Metatheria
• eu·the·ri·an \(ˈ)yü|thirēən\ adjective or noun |