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primary feather

/ˈpraɪməri ˈfeðər/

翻译: 鸟类翅膀外侧的大型坚硬飞羽，主要用于产生推力和升力以支持飞行。

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phrase

/ˈpraɪməri ˈfeðər/C1formalscientific
  • zh鸟类翅膀外侧的大型坚硬飞羽，主要用于产生推力和升力以支持飞行。

One of the large, stiff flight feathers located on the outer part of a bird's wing, essential for generating thrust and lift during flight.

  1. Flight featherC1formal

    One of the large, stiff feathers on the outer part of a bird's wing, crucial for generating thrust and lift during flight.

    zh初级飞羽

    • The bird's primary feathers are essential for its ability to fly.
    • Ornithologists count the number of primary feathers to identify species.
    • A damaged primary feather can severely impair a bird's flight.