名词
中文翻译：Unknown
同义词：
['sleeper', 'sleeper car', 'sleeper compartment']
例句：
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2.
铁路或飞机等交通工具上的
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3.
指人
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1. Thetrain has a sleeping car on board for the overnight trip.
这列火车上有一节卧铺车厢，供夜间旅行使用。
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2.The pilot had to take a nap during the flight.
飞行员在飞行中不得不小憩一会儿。
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3.He fell asleep in the waiting room and didn't wake up until the bus arrived.
他在候车室睡着了，直到公交车到站才醒来。