Moissanite has not been found in large enough quantities naturally to be used for jewelry.

碳硅石还没有找到足够数量大，自然要为珠宝使用。

youdao

Moissanite has not been found in large enough quantities naturally to be used for jewelry.

碳硅石还没有找到足够数量大，自然要为珠宝使用。

youdao