单词	caddisworm
释义	cad·dis·worm \ˈkadə̇ˌswərm, -wə̄m\ noun Etymology: probably alteration of obsolete cadworm, alteration of codworm : the wormlike aquatic larva of a caddis fly that is often used as bait and lives in and carries around a cylindrical sometimes spiral case of silk covered externally with pieces of shell, fine gravel, wood, or straw
随便看	hydractinian hydraemia hydraemic hydragog hydragogue hydra-headed hydralazine Hydra-Matic hydramnion hydramnios hydrangea hydrangea hydrangea blue hydrangeaceae hydrangea family hydrangea pink hydrangea red hydrant hydrant hydranth hydrarch hydrargillite hydrargyria hydrargyriasis hydrargyrism

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