pig iron

音标发音

The freighter carrying pig iron is cleaving through the water.
装着生铁的货船正在破浪前进。
A workshop where pig iron is transformed into wrought iron.
铁匠铺，锻造车间将生铁锻造成熟铁的工场或车间。
Since pig iron and scrap are cheap, and because there is no expensive refinement process, cast iron is a low cost material compared with steel.
由于生铁和废钢铁都便宜，又因为不需要昂贵的精炼过程，和钢相比铸铁是一种廉价材料。

It was replaced by a gray lull, all smoke and pig iron.
NEWYORKER: Something Like Happy
Scientific housekeeping, with its standards of spotlessness and shininess, was founded on no less a fudge than the forty-seven and a half tons of pig iron.
NEWYORKER: Not So Fast
According to a recent Greenpeace study, illegal wood charcoal is primarily used in Brazil to power smelters producing pig iron, which is used to make steel for industries including U.S. auto manufacturing.
FORBES: Green Accounting: A Greener Bottom Line?

crude iron produced in a blast furnace and poured into moulds in preparation for making wrought iron, steels, alloys, etc