序幕 xùmù HSK7 prologue Origin Definitions Defs Strokes Stroke Words Sentences Sents xùmù prologue 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.幕 mù measure wordnoun act measure word for a major division of a play or operaxùmù prelude 序 xù noun order (bound form) Order or sequence; the arrangement of things in time or space.幕 mù noun curtain curtain; screen; canopy; tent