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单词 swim bladder
释义
swim bladder
  • 简明释义
  • 鱼类的气囊:鱼类体内的气囊,用于调节浮力和深度。
  • 网络释义
  • 1

    ?泳鳔

    ... 雨燕 swift 泳鳔 swim-bladder; swimming bladder 泳肢;桡肢 swimmerets ...

  • 双语例句
  • 1
    When small creatures swim past, they bend the hairs on the bladder, causing a flap to open.
    当小生物游过时,它们会弯曲膀胱上的毛发,导致膀胱瓣打开。
  • 2
    They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.
    它们还必须不停地游动以避免下沉,因为大多数鱼基本上或完全失去了鱼鳔,这个充满气体的囊帮助大多数其他鱼保持浮力。
  • 3
    Indeed, the world's 37 species of seahorse are fish, breathing through gills and using a swim bladder to control their buoyancy.
    事实上,世界上有37种海马是鱼,它们通过鳃呼吸,用鱼鳔来控制浮力。
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更新时间:2025/1/25 21:57:32