ratites

是什么意思
  • 网络走禽类;平胸鸟类;平胸鸟类群
  • 英英释义

    ratite[ 'rætait ]

    • n.flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds

      同义词:ratite birdflightless bird

    学习怎么用

    权威例句

    Ratites and tinamous
    The evolution of ratites
    Comparative Clinical Anatomy of Ratites
    The mating systems of ratites and tinamous: an evolutionary perspective
    New information on the eggshell of ratites (Aves) and its phylogenetic implications
    Evolutionary relationships of ratites and carinates: evidence from ontogeny of the tarsus
    McGowan, C. Evolutionary relationships of ratites and carinates: evidence from ontogeny of the tarsus. Nature
    Periosteal bone growth rates in extant ratites (ostriche and emu). Implications for assessing growth in dinosaurs.
    Subtypes of Avian Influenza Virus Isolated from Exotic Birds and Ratites in the United States, 1992-1996
    Tinamous and moa flock together: mitochondrial genome sequence analysis reveals independent losses of flight among ratites