目录学 mùlùxué bibliography Definitions Defs Origin Strokes Stroke Words Sentences Sents 目录 目錄 mùlù catalog catalog; list; a list of items or information arranged in a specific order to help users find things学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science