gemma cup

例句：

1. 1.The gemma cup is a beautiful piece of jewelry that catches the eye.
   这个宝石杯是一件美丽的珠宝，非常吸引人。
2. 2. She placed the gemma cup on the table, ready to serve guests.
   她把宝石杯放在桌子上，准备给客人服务。
3. 3. The gemma cup was made from precious stones and had intricate designs.
   这个宝石杯是用珍贵的石头制成的，设计精美。