我抬头凝望着上方弧形的穹顶。I gazed up at the domed ceiling arching overhead.圆弧形的观音堂画廊广场.The circular - arc - shaped gallery plaza in Guanyintang.但将那面弧形的墙堵在洞穴前.And the wall and crumbles before the cave....

“弧形的”的英语可以翻译为：curved，cambered ...