单词:eutherians
(eutherian 的复数) adj.& n.[动]真哺乳亚纲的(动物)
plural of eutherian
n mammals having a placenta; all mammals except monotremes and marsupials
a of or relating to or belonging to the subclass Eutheria
n mammals having a placenta; all mammals except monotremes and marsupials
a of or relating to or belonging to the subclass Eutheria