shoe block

例句：

1. 1.She bought a new pair of shoes and needed to replace her old ones with a shoe block.
   她买了一双新鞋，需要用鞋垫来替换旧鞋。
2. 2.The store had a sale on shoe blocks, so I bought several pairs for my friends.
   商店在卖鞋垫，所以我给朋友们买了几双。
3. 3. He put the shoe block in his foot to help him walk more comfortably.
   他放了一个鞋垫在脚上，以便更舒服地走路。