双联雪橇

例句：

1. 1. The children were thrilled to be on the double-decker snowmobile.
   孩子们兴奋地坐在双层雪橇上。
2. 2. They took turns driving the snowmobile down the slope.
   他们轮流驾驶雪橇下山。
3. 3. The thrill of speeding down the snowy mountain was exhilarating for everyone.
   在雪山上飞驰的速度让每个人都感到兴奋。