Prototheria

常见例句

• the most primitive mammals comprising the only extant members of the subclass Prototheria.
  最原始的哺乳动物，组成原兽亚纲唯一的现存种类。
• the most primitive mammals comprising the only extant members of the subclass Prototheria
  最原始的哺乳动物，组成原兽亚纲唯一的现存种类
• primary mammal (Prototheria)
  原兽亚纲
返回 Prototheria