1. The actors waited nervously behind the drop curtain before the start of the play.
演员们在剧目开始前焦急地等在幕布后面。

2. The drop curtain rose slowly, revealing the elaborate set design to the audience.
幕布缓缓升起，向观众展示了精美的布景设计。

3. The stage crew quickly changed the backdrop during the intermission using the drop curtain.
幕间休息时，舞台工作人员迅速利用幕布更换背景。

4. The drop curtain fell dramatically at the end of the performance, signaling the end of the show.
演出结束时，幕布戏剧性地落下，标志着节目的结束。

5. The drop curtain was made of heavy velvet, adding a touch of luxury to the theater.
幕布由厚重的天鹅绒制成，为剧场增添了一丝奢华感。

6. The director instructed the lighting technician to dim the lights behind the drop curtain for a mysterious effect.
导演指示灯光技师在幕布后调暗灯光，以营造神秘效果。