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单词 caddisfly
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cad•dis•fly  (kad′is flī′),USA pronunciation n., pl. -flies. 
  1. Insectsany of numerous aquatic insects constituting the order Trichoptera, having two pairs of membranous, often hairy wings and superficially resembling moths.
Also, caddicefly. Cf. caddisworm. See illus. in next column.
  • see caddisworm, fly2 1780–90

Collins Concise English Dictionary © HarperCollins Publishers::
caddis fly n
  1. any small mothlike insect of the order Trichoptera, having two pairs of hairy wings and aquatic larvae (caddis worms)
Etymology: 17th Century: of unknown origin
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更新时间：2025/7/25 4:48:20