n. 1.睡眠者；懒人；死人。 2.有(卧)铺(设备的)飞机；【铁路】〔美国〕卧车，卧铺；〔英国〕枕木；(可翻过来作床铺用的)可卧座位。 3.冬眠动物。 4.【建筑】小阁栅；【造船】机座垫。 5.〔美国〕长期不受人注意而一举受人瞩目的人或物。 6.〔常 pl.〕小儿睡衣裤。 7.在耳上作了记号而未打烙印的小牛。 短语和例子 a good sleeper 睡眠好的人。 a heavy sleeper 不易惊醒[睡眠酣畅]的人。 a light sleeper 易惊醒[睡眠不酣]的人。
an unexpected hit; "that movie was the sleeper of the summer"
tropical fish that resembles a goby and rests quietly on the bottom in shallow water 同义词：sleeper goby,
a piece of furniture that can be opened up into a bed
pajamas with feet; worn by children
a passenger car that has berths for sleeping 同义词：sleeping car, wagon-lit,
one of the cross braces that support the rails on a railway track; "the British call a railroad tie a sleeper" 同义词：tie, railroad tie, crosstie,
a rester who is sleeping 同义词：slumberer,
an unexpected achiever of success; "the winner was a true sleeper--no one expected him to get it"
a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
例句与用法
1.
I've never known such a sleeper . 我从来没有看见过这么会睡觉的人。
2.
Quilp was a light sleeper . 奎尔普是一个睡觉容易惊醒的人。
3.
It was some trouble to arouse the little sleeper . 要唤醒那酣睡中的孩子实在有点费劲。
4.
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。
5.
Later he and frichey took the sleeper to new york . 随后，他和弗里奇搭乘卧车到纽约去了。
6.
Please do not make any noise my mother 's a very light sleeper . 请别出声我母亲睡觉睡不实。
7.
Secret, quiet movement often awakens a sleeper when a deliberate normal action does not . 悄悄的偷偷摸摸的举动时常会使一个熟睡的人惊醒，而沉着的正常行动却不会。
8.
The most important severe hazard risk is the ground contact condition which arises in transmission poles, fence posts and railway sleepers . 危害木材最严重的情况，是在木材与地基接触的条件下发生的，为通讯电杆，栅栏柱材和铁路枕木。
9.
Don ' t come here if you are a light sleeper 如果你容易被吵醒，就不要到这里来。
10.
Prestressed concrete sleepers - post - tensioning type 预应力混凝土轨枕.后拉伸型
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