单词brass rubbing
n.: （在教堂黄铜纪念牌上拓印图文的）拓印；拓印的图文网络: 拓印技艺；拓碑
（在教堂黄铜纪念牌上拓印图文的）拓印；拓印的图文:
the art of rubbing a soft pencil or chalk on a piece of paper placed over a brass in a church; the pattern you get by doing this