这家珠宝店专门销售用贵金属制作的饰品。

This jewelry store specializes in accessories made of ___precious metals.

她收藏了各种由贵重金属制成的古董首饰。

She collects antique jewelry made of ___precious metals.

这种新型太阳能电池使用了多种贵金属来提高效率。

This new solar cell uses various ___precious metals to enhance efficiency.