artificial pearl造句

Artificial pearls , made of glass , were manufactured in such numbers that they formed an important article of export trade , and the old legends of enormous emeralds and other precious stones are most reasonably explained on the assumption that the preparation of paste jewelry was widely undertaken
人造珠子，由玻璃制成，大量生产以致它们成了出口贸易重要商品，而巨大的翡翠和其它珍贵的石头古老传说很容易以假定来解释，就是大量采用了制备好的珠宝粉。
It's difficult to find artificial pearl in a sentence. 用artificial pearl造句挺难的