They're studying practical things like marble work, metal work, and copper work, not just shipbuilding.

他们学习一些诸如大理石打磨，金属冶炼和铜器制造的实用技术，而不仅仅是造船术。

youdao

Mould casting and copper work of art.

模具铸造，铜工艺品。

youdao

They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.

他们学习一些实用的东西，比如大理石打磨，金属冶炼和铜器制造，并且不仅仅是造船术。

youdao

They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.

他们学习一些实用的东西,比如大理石打磨,金属冶炼和铜器制造,并且不仅仅是造船术

耶鲁公开课 - 欧洲文明课程节选

On one long wall is a series of enormous, predominantly white paintings by Robert Ryman and Andy Warhol and a mirror-finished copper work by Donald Judd, like a polished jewel among them.

WSJ: New Guggenheim: Art and Architecture as One | By Ada Louise Huxtable

But he put his training to work, filling empty iron- and copper-ore ships with lime and selling it to mines that exported the ore (lime is used to neutralize acid used in mining).

FORBES: Magazine Article

Rescue work is continuing at a major US-owned gold and copper mine in Indonesia after a tunnel collapsed on Tuesday, trapping more than 20 workers.

BBC: Freeport's Grasberg copper mine