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eutherian
英 [juːˈθɪərɪən] 美 [jʊˈθɪriən]

  • adj. 真哺乳亚纲的
  • n. 真兽亚纲动物

网络释义专业释义英英释义

  真兽类

公布 中文名称：真兽类 英文名称：eutherians 定义：有胎盘类和亚洲掠兽类(Asioryctitheria)、堪纳掠兽类(Kennalestidae)等亚洲白垩纪哺乳动物的总称。三个臼齿有别于有袋类。但较

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  • 真兽类

·2,447,543篇论文数据，部分数据来源于NoteExpress

eutherian [ ju:'θiəriən ]

  • n. mammals having a placenta; all mammals except monotremes and marsupials

    同义词： placental placental mammal eutherian mammal

  • adj. of or relating to or belonging to the subclass Eutheria

    "eutherian mammals"

以上来源于: WordNet

 柯林斯英汉双解大词典 

eutherian /juːˈθɪərɪən/

→ compare metatherian, prototherian
  • 1. 

    ADJ of, relating to, or belonging to the Eutheria, a subclass of mammals all of which have a placenta and reach an advanced state of development before birth. The group includes all mammals except monotremes and marsupials 真哺乳亚纲动物的

  • 2. 

    N any eutherian mammal 真哺乳亚纲动物

双语例句权威例句

  • DNA evidence has suggested the last common ancestor to eutherians and marsupials lived around 160 million years ago.

    DNA证据显示，真兽类和有袋类最后的共同祖先生活在1.6亿年前左右。

    youdao

更多双语例句

  • These DNA investigations had indicated that eutherians should have been in existence much earlier than the previous oldest-known eutherian fossil - a creature called Eomaia, which lived about 125 million years ago.

    BBC: Fossil redefines mammal history

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