cad·dice /ˈkædəs/
毛線
Cad·dice, Cad·dis n. Zool. The larva of a caddice fly. These larvæ generally live in cylindrical cases, open at each end, and covered externally with pieces of broken shells, gravel, bits of wood, etc. They are a favorite bait with anglers. Called also caddice worm, or caddis worm.
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