序论 xùlùn introduction Definitions Defs Origin Strokes Stroke Words Sentences Sents xùlùn introduction 序 xù noun preface The preface or foreword to a book; also refers to introductory sections of a performance or event, such as a prologue.论 論 lùn noun treatise a type of literary composition centered on discussion or argument, often used in titles of essays or booksxùlùn to narrate in order 序 xù noun order (bound form) Order or sequence; the arrangement of things in time or space.论 論 lùn verb to discuss to discuss; to talk about; to research or analyze a topicxùlùn to introduce and comment 序 xù noun preface The preface or foreword to a book; also refers to introductory sections of a performance or event, such as a prologue.论 論 lùn verb to discuss to discuss; to talk about; to research or analyze a topic