铜界用英语怎么写

Copper world

铜界───Copper world

of Chile's copper production equates to almost 5% of world copper production.───智利铜产量的17%相当于全球铜产量的近5%。

As new mines come on stream, Chile's share of world copper output will increase sharply.───随着新矿投产，智利在世界铜产量中所占的份额将大幅度增长。

Freeport is the biggest publicly traded copper company in the world, and the Grasberg mine remains its main asset.───自由港是全球最大的公开交易的铜矿公司，而格拉斯伯格矿井是其主要的资产。