pony insulator

例句：

1. 1. The horseback rider was ridingthe horse with great skill.
   马背骑手骑马技艺高超。
2. 2. The pony insulator isa popular choice for children's toys.
   马鞍绝缘体是儿童玩具的热门选择。
3. 3. The pony insulator isdesigned to protect the rider fromthe cold wind.
   马鞍绝缘体设计用来保护骑手免受寒冷风的影响。