But on matter how frightening it may be to visit a steel mill, we see steel in use all around us. Almost all of our machines are made of.

• 不管参观轧钢厂会有多么可怕,我们周围总有用钢制造的东西,几乎所有的机器都是用钢制造的,铁路、汽车、打字机、缝纫机以及工厂使用的成千上万的机器也都是用钢制成的。