track sled

例句：

1. 1.The children are playing in the snow with their track sleds.
   孩子们正在用他们的雪橇在雪中玩耍。
2. 2.The sled is designed to be easy to maneuver and stable on snowy surfaces.
   雪橇设计得易于操控，且在雪面上稳定。
3. 3. The sled was built for speed and efficiency during winter sports events.
   雪橇是为冬季运动赛事的速度和效率而建造的。