幕布在剧院或大厅内隔开舞台和观众或作为背景幕的可移动遮蔽物或帷幕 The movable screen or drape in a theater or hall that separates the stage from the auditorium or that serves as a backdrop.
舞台前部背景幕布前的舞台部分 The part of a stage in front of the closed curtain.
幕布升起，展现的是市郊住宅的起居室。 The curtain goes up on (ie is raised to show) a suburban living-room.