| 单词 | willow-fly | 
| 释义 | > as lemmaswillow-fly   willow-fly  n. (any insect of the family  Perlidæ). ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > 			[noun]		 > division Exopterygota or Hemimetabola > order Plecoptera > member of family Perlidae willow-fly1787 1787    T. Best Conc. Treat. Angling 		(ed. 2)	 119  				The Willow-Fly comes on about the beginning of September. < as lemmas | 
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