foot pin

例句：

1. 1. He had to remove thefoot pins from his shoes before hecould walk.
   他不得不在走路之前把鞋上的足钉取下来。
2. 2. The shoemakerused a special tool to insert the footpins into the shoes.
   鞋匠使用一种特殊的工具将足钉插入鞋子中。
3. 3. Thechild was so excited that he kept tapping his foot on the floor while waitingfor his turn.
   这个孩子非常兴奋，一直在地板上不停地跺脚等着轮到他。