duck down

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是什么意思
  • 释义

    低下头,弯下身;

  • 英英释义

    duck down

    • n.down of the duck
    学习怎么用

    权威例句

    Team Facelift
    Team Facelift
    Influence of hydration on the mechanical performance of duck down feathers
    Discrimination Between Goose Down and Duck Down by Fourier Transform Near-Infrared Spectroscopy
    Evaluation of goose down and duck's down's content by NIR method
    [Ectopic expression of duck albumin down-regulates the expressions of IFN-β and myxovirus resistance 1 mRNA in DF-1 cells]
    Assessment of the non-woven, goose down and duck down as thermally insulating materials for the clothing protecting against cold
    Duck Down Music
    Duck Down Music Inc.
    The Internal Structure and Tensile Properties of Goose and Duck Down Feathers
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