Excuse me, can I get a ticket for a sleeping compartment on this train?

打扰一下，我能买一张这班火车卧铺车厢的票吗？

youdao

A motor vehicle with space and equipment either in a rear compartment or in an attached trailer for sleeping and simple housekeeping used for camping and recreational travel.

野营挂车一种带有空间和装备动力交通工具，装在后部的空室或是装在相连的拖挂车内，提供睡眠和做简单的家务，用于野营和消闲的旅行。

youdao

By day my two-bunk sleeping compartment looked a little spartan, with gray-blue upholstery and metal lounge chairs.

FORBES: Through the Rockies In Style