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单词 oak fern
释义 oak fern
 a small woodland fern, Gymnocarpium dryopteris, of northern regions, having triangular, pinnate fronds that slant horizontally.
 [1540-50; trans. of L dryopteris < Gk dryopterís, equiv. to dryo- (comb. form of drys oak) + ptéris fern]
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更新时间:2024/12/22 23:04:24