He wore a copper bracelet on his wrist.

他腕上戴着只铜手镯。

《牛津词典》

It was said he robbed a copper watch.

据说他抢劫了一块铜表。

youdao

This is a copper-zinc deposit in Uchaly.

这是一个在乌恰雷的铜锌矿。

youdao

They got this name because they wore on their coats a copper penny with the head of an Indian.

VOA: special.2009.10.22

There is also an image of a bell inside a copper-colored inkwell on the front of the note.

VOA: special.2010.11.15

Bartholdi decided to make a copper statue in the image of a woman -- Lady Liberty.

VOA: special.2010.05.06

If you trade on advance information about a copper deposit, you are clearly guilty.

FORBES: Off With Her Head!

Scientists used the microscope to control a tiny, super-sharp needle along a copper surface, IBM said.

WSJ: IBM makes tiny movie by pushing molecules around

In 2010, 33 miners were trapped in a copper mine in the same region.

BBC: Chile slow search for miner trapped 100m underground