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单词 sirenian
释义

sirenian

听听怎么读
英 [sa?'ri:n??n]
美 [sa?'rin?rn]
是什么意思
  • adj.

    海牛类;

  • 英英释义

    sirenian[ sai?'ri:ni?n ]

    • n.any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs

      同义词:sea cowsirenian mammal

    学习怎么用

    权威例句

    Sirenian
    Sirenian
    Sirenian evolution in the North Pacific Ocean
    NEW SIRENIAN FROM THE TERTIARY OF PORTO RICO, WEST INDIES
    The earliest known fully quadrupedal sirenian.
    Evolution of Sirenian Pachyosteosclerosis, a Model-case for the Study of Bone Structure in Aquatic Tetrapods
    An Ecological Model for Late Tertiary Sirenian Evolution in the North Pacific Ocean
    Domning D. P. — The earliest known fully quadrupedal sirenian. Nature
    Fossil sirenia of the west Atlantic and Caribbean region. V. The most primitive known sirenian, Prorastomus sirenoides Owen, 1855
    Taylor & Francis Online :: Fossil sirenia of the west Atlantic and Caribbean region. V. The most primitive known sirenian, Prorastom...
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