单词	crystoleum
释义	crystoleum noun crys·​to·​le·​um kriˈstōlēəm plural -s : an obsolete process in which a photograph was transferred to glass, the paper backing removed, and the image layer colored by the application of colors to the back Word History Etymology crystal + Latin oleum oil First Known Use 1882, in the meaning defined above
随便看	closing one's doors (to) closing one's doors to closing one's eyes to closing out closing price closing ranks closing time closings closish clost Closterium clostridia clostridiae clostridial clostridias clostridium clostridiums closure closured closures closuring clot clot molder clot-buster clot-busting

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