nucleated pearl

例句：

1. 1. The gemologist found a rare nucleated pearl in the depths of the ocean.
   宝石学家在海洋深处发现了一颗罕见的核珍珠。
2. 2.The ancient Egyptians believed that nucleated pearls held great power and were used to ward off evil spirits.
   古埃及人相信核珍珠拥有巨大力量，被用来驱邪避凶。
3. 3. The beauty of a nucleated pearl is not just in its appearance, but also in its uniqueproperties.
   核珍珠的美丽不仅在于其外观，还在于其独特的属性。