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单词 oak fern
释义

WordReference Random House Unabridged Dictionary of American English © 2024
oak fern′, 
  1. Plant Biologya small woodland fern, Gymnocarpium dryopteris, of northern regions, having triangular, pinnate fronds that slant horizontally.
  • Greek dryopterís, equivalent. to dryo- (combining form of drŷs oak) + ptéris fern
  • translation of Latin dryopteris 1540–50

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