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pectoral fin

/ˈpɛktərəl fɪn/

翻译: 鱼类身体两侧、通常位于鳃后的鳍,用于转向、制动和保持平衡。

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phrase

/ˈpɛktərəl fɪn/C1formalscientific
  • zh鱼类身体两侧、通常位于鳃后的鳍,用于转向、制动和保持平衡。

A fin located on each side of a fish's body, typically behind the gills, used for steering, braking, and maintaining balance while swimming.

  1. Paired fish finC1formal

    One of the two fins located on each side of a fish's body behind the gills, used for steering, braking, and maintaining balance.

    zh胸鳍

    • The shark uses its pectoral fins to generate lift while swimming.
    • Damage to the pectoral fin can affect a fish's ability to maneuver.
    • The biologist carefully measured the length of the pectoral fin.