resin opal

例句：

1. 1. The resin opal is a rare and valuable gemstone.
   树脂琥珀是一种稀有且珍贵的宝石。
2. 2. The ancient Egyptians used resin opal to make jewelry.
   古埃及人用树脂琥珀制作珠宝。
3. 3.Resin opal is often used in decorative arts and crafts.
   树脂琥珀常用于装饰艺术和手工艺品中。