The miners moil deep underground to extract the precious metals.

矿工们在地下深处辛苦工作以提取贵金属。

Nitric acid is often used in the purification of precious metals.

硝酸常用于贵金属的提纯。

Jewelry is often made from precious metals like gold and silver.

珠宝通常由黄金和白银等贵金属制成。

The ring is made of precious metals like gold and silver.

这枚戒指是由黄金和白银等珍贵金属制成的。

Silver, gold and platinum are precious metals.

银、金和铂是贵金属。

My father deals in precious metals.

我父亲在经营贵金属的生意.

It is one of the rarest precious metals available today.

它是世界上最稀有的贵金属上市。

Mining (+0.9%) – precious metals reflation

采矿业（涨0.9%）——贵金属通货再膨胀

Choi steel manufacturing sales metal materials( excluding precious metals) marketing.

彩钢板制造销售，金属材料（含贵金属）售。

Foreign exchange , Precious metals, Overseas property, Integrated financial management.

展出范围：外汇，贵金属，海外地产，综合理财。