脚弓

例句：

1. 1. She had to walk across the roomwith her foot on the heel ofher shoe.
   她不得不用脚尖走路穿过房间。
2. 2. The doctor examined his foot andfound an unusually high arch.
   医生检查了他的脚，发现一个异常高的弓形。
3. 3. He wore a special orthotic inhis heel to help him walk morecomfortably.
   他穿着一种特制的矫形鞋垫来帮助他更舒适地行走。