etched surface

例句：

1. 1.The artist etched a beautiful portrait on the wall.
   艺术家在墙上雕刻了一幅美丽的肖像画。
2. 2. The ancient stone carvings are still visible today.
   古老的石雕仍然可见于今天。
3. 3. The inscription on the monument is carefully etched with gold letters.
   纪念碑上的铭文是用金字母精心雕刻的。