metallurgy

n. /ˈmet̬.əl.ɝː.dʒi/ C2

冶金学；冶金术

The scientific study of metals and their properties.

仙境例句

In metallurgy class, the young turtles learned how gold and iron come out of rocks.

上冶金课时，小海龟们学习金和铁是怎样从岩石里炼出来的。