尽管如此，炼金术士还是获得了许多成就，他们创造了色彩鲜艳的天然色素，使原来的色素更完美——红色的氧化铅，黄色的硫化砷，少许铜加上醋，你就会得到明亮的绿色的铜绿。
Yet the alchemists had their triumphs, inventing brilliant new pigments, perfecting the old - red lead oxide, yellow arsenic sulfide, a little copper and vinegar and you've got bright green verdigris.
韦德指出，他的画随时间而改变，随着越来越多的尘埃，他们和他们的露水条纹和点点积累，创造了铜绿。
Wade notes that his paintings change over time, as more dust accumulates on them and dew streaks and dots them, creating a patina.
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