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单词 caddisworm
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cad•dis•worm  (kadis wûrm′),USA pronunciation n. 
  1. Insectsthe aquatic larva of a caddisfly, having an armored head and a pair of abdominal hooks, and typically living in a case built from sand or plant debris. Also called caddis, caddice, strawworm. 
  • caddis (perh. plural, taken as singular, of caddy, diminutive of cad larva, ghost) + worm 1615–25

Collins Concise English Dictionary © HarperCollins Publishers::
caddis worm, caddis n
  1. the aquatic larva of a caddis fly, which constructs a protective case around itself made of silk, sand, stones, etc
    Also called: caseworm, strawworm
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