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单词 barbule
释义

barbule

/ˈbɑːbjuːl /
noun
A minute filament projecting from the barb of a feather.Well known examples include the structural colors produced by brilliant iridescent butterfly wing scales and avian feather barbules, such as the peacocks tail....
  • The strongly iridescent colors of bird feathers are produced by arrays of melanin granules in the barbules of feathers.
  • The barbs, in turn, may bear barbules which may hook on to the barbules of an adjoining barb.

Origin

Mid 19th century: from Latin barbula, diminutive of barba 'beard'.

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更新时间:2024/9/23 17:13:30