pure metal造句怎么写

Substance made by the mixture of two or more elements, at least one of which is a metal. Alloys are often stronger and more durable than pure metals.

In metallurgy industry, iodine is used for purifying high pure metal.

"The pure metal is too hard to work with to have any significant uses; alloys with platinum are used in jewelry, pen points, surgical pins and pivots, electrical contacts and sparking points, and extrusion dies."