proscenium frame stage

例句：

1. 1.The proscenium frame stage is the main structure of the theater.
   舞台框架是剧院的主要结构。
2. 2. The stage designer carefully selected the proscenium frame stage to enhance the overall visual effect.
   舞台设计师精心选择了舞台框架，以增强整体视觉效果。
3. 3.The actors performed on the proscenium frame stage, attracting a large audience.
   演员们在舞台框架上表演，吸引了大量观众。