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chambered nautilus

/ˈtʃeɪmbəd ˈnɔːtɪləs/

翻译: 鹦鹉螺科的一种海洋软体动物,具有螺旋形外壳,壳内被分隔成多个腔室。动物栖息在最外侧的腔室中,内部腔室充满气体以调节浮力。常被视为活化石。

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/ˈtʃeɪmbəd ˈnɔːtɪləs/C1formalscientific
  • zh鹦鹉螺科的一种海洋软体动物,具有螺旋形外壳,壳内被分隔成多个腔室。动物栖息在最外侧的腔室中,内部腔室充满气体以调节浮力。常被视为活化石。

A marine mollusk of the family Nautilidae, characterized by a spiral, chambered shell. The animal lives in the outermost chamber, while the inner chambers are filled with gas to control buoyancy. It is often considered a living fossil.

  1. Marine molluskC1formal

    A cephalopod mollusk of the family Nautilidae, characterized by a spiral, chambered shell. The animal lives in the outermost chamber and the inner chambers are used for buoyancy.

    zh海洋软体动物

    • The chambered nautilus is often called a living fossil due to its ancient lineage.
    • Each new chamber of the nautilus shell is larger than the last.
    • The buoyancy of the chambered nautilus is controlled by gas and fluid in its shell chambers.