名词
中文翻译：卧铺的长度
同义词：
['sleeping car', 'sleeper car', 'sleeper train']
例句：
-
1. Thelength of the sleeper is 20 feet.
卧铺的长度是20英尺。
-
2. The sleeper car was filled with travelers eager to reach their destination.
卧铺火车上挤满了急于到达目的地的旅客。
-
3. The sleeper train offered a more comfortable and affordable option for long-distance travel.
卧铺火车为长途旅行提供了更舒适且经济实惠的选择。