monotreme

英 [ˈmɒnətriːm] 美 [ˈmɑːnətriːm]

n.  单孔目动物(卵生哺乳动物)

复数:monotremes

医学



牛津词典

noun

  1. 单孔目动物(卵生哺乳动物)
    a class of animal including the echidna and the platypus , which lays eggs, but also gives milk to its babies

    双语例句

    1. Burrowing spine-covered monotreme of Australia having a long snout and claws for hunting ants and termites.
      澳大利亚体表有刺的穴居单孔目动物,有长长的口鼻以及用于捕食蚂蚁和白蚁的爪。
    2. Small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family ornithorhynchidae.
      澳大利亚和塔斯马尼亚的体毛浓密、水生小哺乳动物,嘴和尾宽阔,脚有蹼;鸭嘴兽科的唯一种类。

    英英释义

    noun

    1. the most primitive mammals comprising the only extant members of the subclass Prototheria

        Synonym:    egg-laying mammal