proscenium arch

同根派生

Just an endless plain with the High Andes cradling and looming over it, like a proscenium arch.
无边无际的平原，高大的安第斯山若隐若现，环抱着这片酷似舞台前景的平原。
Just an endless plain with the High Andes 19) cradling and 20) looming over it, like a 21) proscenium arch.
只有无边无际的平原，高大的安第斯山若隐若现，俯身环抱着，像个舞台拱幕。
Enlarging proscenium arch with steel corbels
用钢牛腿扩大舞台台口
a traditional theatre with a proscenium arch(= an arch that forms a frame for the stage where the curtain is opened)
舞台有拱形框架的传统剧场
The arch has a span of 60 metres.
那个拱的跨度为60米。