名词
中文翻译：卧铺车厢
同义词：
['sleeping car', 'sleeper coach']
例句：
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1. The sleeper bar is a popular choice for travelers who want to save money on accommodations.
卧铺车厢是那些希望在住宿上省钱的旅客的热门选择。
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2. The sleeper bar was designed to provide comfort and convenience for passengers traveling long distances.
卧铺车厢被设计来为长途旅行的乘客提供舒适和便利。
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3. The sleeper bar has become increasingly popular among budget travelers due to its affordability and convenience.
由于其经济实惠和便利性，卧铺车厢越来越受到预算旅行者的欢迎。