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单词 lanugo
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WordReference Random House Unabridged Dictionary of American English © 2024
la•nu•go  (lə no̅o̅′gō, -nyo̅o̅′-),USA pronunciation n., pl. -gos. [Biol.]
  1. Anatomy, Developmental Biologya coat of delicate, downy hairs, esp. that with which the human fetus or a newborn infant is covered.
  • Latin lānūgō wooliness, down, derivative of lāna wool
  • 1670–80

Collins Concise English Dictionary © HarperCollins Publishers::
lanugo /ləˈnjuːɡəʊ/ n ( pl -gos)
  1. a layer of fine hairs, esp the covering of the human fetus before birth
Etymology: 17th Century: from Latin: down, from lāna wool
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更新时间：2025/7/23 2:30:15