名詞 pig iron:

1. crude iron tapped from a blast furnace

1. He asked us how much pig iron we could produce per day and calculated with us how much we could put out in a year.
   他問我們每天能生產多少生鐵，又跟我們一道計算一年內能生產多少。
2. A furnace in which pig iron is converted into steel by the Bessemer process.
   煉鋼熔爐一種通過酸性轉爐法將生鐵練成鋼的設備
3. Pig iron used as permanent ballast.
   壓載鐵做為永久性壓艙物的生鐵
4. Pig iron is converted into steel by removing most but not all the impurities.
   生鐵變成鋼要除掉大部分而不是全部的雜質。