footlid

例句：

1. 1. The new shoes have a soft footlid that feels comfortable to walk in.
   新鞋有柔软的脚垫，走路感觉很舒服。
2. 2. The old man sat on the floor with his footlid propped up.
   老人坐在地板上，用脚垫支着身体。
3. 3.The dog's footlid was worn out from all the walking it did.
   狗的脚垫因为走太多路而磨损了。