Dip an iron bar into the cerulean waters of the vitriol springs of modern-day slovakia , for example , and the artifact will emerge agleam with copper , as though the dull , dark particles of the original had been elementally reinvented .

举个例子，在现在的斯洛伐克，把一根铁条浸入硫酸盐泉里蔚蓝的水中，它会生成闪亮的铜，就像是原本那些晦暗的黑色的颗粒被彻底改造了。