adjustable shoe sole

例句：

1. 1. The new shoes have an adjustable sole, which makes them very comfortable to wear.
   这双新鞋有可调节的鞋底，穿起来非常舒适。
2. 2. She bought a pair of shoes with an adjustable sole so she could wear them in different weather conditions.
   她买了一双带有可调节鞋底的鞋子，这样她可以在不同天气条件下穿。
3. 3.The child's feet are growing quickly, and he needs an adjustable sole to accommodate his growing size.
   孩子的脚长得很快，他需要一双带有可调节鞋底的鞋子来适应他的增长。