马蹄铁

例句：

1. 1. The old coachman had to replace his worn-out horse shoes.
   老马车夫不得不更换他的磨损的马蹄铁。
2. 2. The children were playing with their new horse shoes.
   孩子们正在用他们的新马蹄铁玩耍。
3. 3. The old horse was so tired that he couldn't walk without his horse shoes anymore.
   那匹马太累了，以至于没有马蹄铁就再也走不了路了。