engraving

n. 雕刻,镌版术,雕版

The art or process of carving or engraving on precious stones.

宝石雕刻术宝石雕刻术或宝石雕刻制作过程

A painting or an engraving set in an oval or circular frame.

圆形浮雕镶嵌于椭圆形或圆形框架中之绘画或雕刻