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caudal fin

/ˈkɔːdəl fɪn/

翻译: 鱼类或水生动物身体后端的鳍,用于游泳和保持方向。

1 个条目

phrase

/ˈkɔːdəl fɪn/C1formalscientific
  • zh鱼类或水生动物身体后端的鳍,用于游泳和保持方向。

The tail fin of a fish or aquatic animal, located at the posterior end of the body, used for propulsion and steering in water.

  1. B2formal

    The tail fin of a fish, located at the posterior end, used for propulsion and steering.

    zh尾鳍

    • The shark's powerful caudal fin propels it through the water.
    • Biologists study the shape of the caudal fin to understand fish behavior.
    • The caudal fin of a tuna is crescent-shaped for speed.