pearl ash

例句：

1. 1. The pearl ash is a popular material for making jewelry.
   珍珠灰是制作珠宝的流行材料。
2. 2. The pearl ash was used to make the walls of the ancient temple.
   珍珠灰被用来制作古代寺庙的墙壁。
3. 3. The pearl ash was collected from the beach and sold as a decorative item.
   珍珠灰是从海滩收集来的，作为装饰品出售。