丁字架

例句：

1. 1. The blacksmith was busy hammering away at his anvil.
   铁匠正忙着敲打他的砧石。
2. 2. He built a new smithy to expand his business.
   他建了一个新的打铁铺来扩大生意。
3. 3. The old smithy has been converted into a museum.
   这个旧打铁铺已经变成了博物馆。