单词cameo glass
un.: 浮雕玻璃网络: 宝石玻璃；宝石玻璃制品；玉石玻璃
浮雕玻璃
Fine cameo glass was produced by the Romans in the 1st century AD.
早在公元1世纪，罗马人已生产出精美的宝石玻璃品。