小型滑车装置

例句：

1. 1. The kids were having a great time sledding down the hill.
   孩子们玩得很开心，正在滑下山坡。
2. 2. She decided to take her dog for a sledding trip in the mountains.
   她决定带她的狗去山里滑雪。
3. 3. During the winter season, many people enjoy sledding as a fun activity.
   在冬季，许多人喜欢作为一项有趣的活动来滑雪。