copper purite

例句：

1. 1.This copper purite is used in electrical wiring.
   这种纯铜用于电气线路。
2. 2.The copper purite was melted and poured into molds.
   纯铜被熔化并倒入模具中。
3. 3. Copper purite is a valuable material for making jewelry.
   纯铜是制作珠宝的宝贵材料。