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preen gland

/priːn ɡlænd/

翻译: 鸟类尾基部的一种腺体,能分泌油性物质,用于梳理羽毛时涂抹以防水和保养羽毛。

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phrase

/priːn ɡlænd/C1formalscientific
  • zh鸟类尾基部的一种腺体,能分泌油性物质,用于梳理羽毛时涂抹以防水和保养羽毛。

A gland located near the base of a bird's tail that produces an oily substance used for waterproofing and maintaining feathers during preening.

  1. Uropygial glandC2formal

    A gland located near the base of a bird's tail that secretes oil used for preening and waterproofing feathers.

    zh尾脂腺

    • The preen gland produces an oil that birds spread over their feathers.
    • Ducks have a well-developed preen gland to keep their plumage waterproof.
    • Ornithologists study the preen gland to understand avian health.