long sleeper

基本解释

This is the way most of the Indian population travels long-distance, and the majority of cars on a long-distance train will be sleeper class.
这是大多数印度人长途旅行的选择。
So we don't know if a short sleeper can live longer by extending their sleep and we don't know if a long sleeper can live longer by setting the alarm clock a bit earlier.
也就是说我们不清楚如果一个睡眠不足的人是否可以通过增加睡眠时间来活的更久，也不清楚是否一个睡的太多的人是否可以通过把他们的闹钟调早一些就可以更长寿。
A long-distance sleeper bus with 44 on board veered off a highway in Yanhe County in Guizhou and crashed down an 80m slope at about 7 am Monday. At least 15 people were confirmed dead.
5日早上7时许，一辆载有44人的长途卧铺客车在贵州沿河县翻下80米山坡，至少15名乘客死亡。
www.chinadaily.com.cn

By the mid-1930s the overnight sleeper train eased the prospect of a long journey and established a classic form of rail travel.
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