单词	sclerotin
释义	sclerotin noun scler·​o·​tin ˈskler-ə-tən  sklə-ˈrō-tᵊn : an insoluble tanned protein permeating and stiffening the chitin of the cuticle of arthropods Word History Etymology probably scler- + -tin (as in chitin) First Known Use 1940, in the meaning defined above
随便看	playtime playtimes playward playwear playwright playwrighting playwrightings playwrights playwriting playwritings playyest plaza plaza de toros plaza gray plazas plazas de toros plbg plbr PLC ple ple rust plea plea bargain plea bargaining plea in confession and avoidance

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