While I slept in my sleeper car, all my possessions were stolen.
我在火车卧铺上睡觉时东西全被偷走了。
Vox 观点
The entire length of my journey from Los Angeles to New York is about four days long, and for the first leg of my journey, there weren't any sleeper cars available.
我从洛杉矶到纽约的整个旅程大约有四天，我的第一段旅程没有卧铺车厢。
英语百科
Sleeper car
Sleeper car may refer to:
Sleeping car, a railroad passenger car that can accommodate its passengers in beds
Sleeper (car), a car that has an unassuming exterior but is capable of high performance