shield-fern
英['ʃiːldf'ɜːn]
美['ʃiːldf'ɜːn]
- n.鳞毛蕨;三叉蕨
详细释义
名词 shield fern:
-
any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
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