卧铺的英文：
couchette
sleeper

参考例句：

They rooked me 10 pounds for my berth.
他们敲了我十英镑的卧铺费。

It 's a specially adapted bus with room for sleeping.
这是一辆经过特别改装拥有卧铺的长途汽车。

A railroad parlor car or sleeping car.
铁路客车或卧铺车厢

She gave up her sleeping berth to a pregnant woman.
她把卧铺让给了一位孕妇。

I booked a first-class sleeper.
我订了头等卧铺车票。

They live in four-berth inside cabins.
他们住在有4张卧铺的内舱。

Six passengers can be berthed on the lower deck.
下层舱可为六位乘客提供卧铺。

Turn right, and you'll find first-class sleeper.
向右转弯，就可以找到头等卧铺。

A built-in bed or bunk, as on a ship or a train.
舱位,卧铺位卧铺或上下铺位,如船或火车上的

There is no smug pullman attached to the train
这列客车上没有挂上豪华的高级卧铺车厢。

couchette是什么意思：
n. 卧铺;有卧铺的车厢
sleeper是什么意思：
n. 睡觉（呈某种状态）的人；枕木；小耳环

sleeper spacing
轨枕间距

He is a light sleeper.
他睡不沉。

railroad tie | sleeper
枕木

sap wood sleeper
边材木枕

Few people were light sleepers.
少数人是睡觉容易惊醒的人。