superclass compartment sleeping car

例句：

1. 1. The superclass train is the fastestway to travel between cities.
   超级类列车是城市间旅行最快的方式。
2. 2. The compartment onthe train was very comfortable, with aprivate bathroom and a large window.
   火车上的车厢非常舒适，有私人浴室和一个大型窗户。
3. 3. The sleeping car had a cozy bedand a small table for meals.
   卧铺车有一个舒适的床和一个小桌子供用餐。