center sill saddle

例句：

1. 1. The horse was fitted with a center saddle to improve its performance.
   为了提高性能，这匹马被安装了中心鞍座。
2. 2. The center saddle is designed to provide maximum comfort for the rider.
   中心鞍座的设计是为了为骑手提供最大的舒适感。
3. 3. The center saddle is an essential part of the horse's equipment, providing support and stability during the ride.
   中心鞍座是马装备中不可或缺的一部分，它在骑行过程中提供支持和稳定性。