sleepers
[s'li:pəz]
n.
卧铺（通常以复数形式出现）;
卧车( sleeper的名词复数 );
轨枕;
睡觉（呈某种状态）的人;
小耳环;
例句:
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Or snorted we in the Seven Sleepers' den?
来自THETIMES
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The bedroom floor was made from smoothed-down railway sleepers.
来自THETIMES
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Poor sleepers take longer to fall asleep than good sleepers.
与睡眠好的人相比，睡眠不好的人要花更长的时间才能入睡。
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He trod quietly so as not to disturb the sleepers.
他轻移脚步,以免吵醒睡着的人.
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The nurse was out, and we two sleepers were alone.
保姆出去了, 只剩下我们两个瞌睡虫.
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Nobody knows how many natural short sleepers are out there.
来自WSJ