stage dimmer

例句：

1. 1. The stage dimmer is used to adjust the brightness of the stage lights.
   舞台调光器用于调整舞台灯光的亮度。
2. 2. The stage dimmer was installed to make the performance more intimate.
   安装舞台调光器是为了使演出更加亲密。
3. 3. The stage dimmer was responsible for dimming the lights during the show.
   舞台调光器负责在演出期间调暗灯光。