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air sac

英 /eə sæk/美 /er sæk/
  • 气囊：鸟类体内与肺部呼吸道相连的充气空间，或昆虫气管中的薄壁扩张部分。

双语例句

  1. Some of the models contained an air sac.
    其中一些模型含有气囊。
  2. This shaft have overcome the problems which a single air sac of a traditional one existence.
    这种轴克服了传统气胀轴单一气囊所存在的问题。
  3. Objective To study the correct deal method of incarceration of urethral catheter with air sac.
    目的：探讨留置气囊导尿管嵌顿后的正确处理方法。

网络短语

  • air sac of birds
    鸟类的气囊
  • cervical air sac
    颈气囊
  • chick embryo air sac
    鸡胚气室
  • abdominal air-sac
    腹气囊
  • posterior thoracic air sac
    后胸气囊

同义词

air bagair chamber
[动]气囊；肺泡；肺胞囊

英英释义

  • n.a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
  • n.any of the thin-walled extensions of the tracheae of insects
  • n.any of the membranous air-filled extensions of the lungs of birds