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sleepers的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 sleeper:
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a rester who is sleeping
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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
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an unexpected achiever of success
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one of the cross braces that support the rails on a railway track
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a passenger car that has berths for sleeping
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pajamas with feet; worn by children
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a piece of furniture that can be opened up into a bed
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tropical fish that resembles a goby and rests quietly on the bottom in shallow water
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an unexpected hit
sleepers的用法和样例：
例句
用作名词 (n.)
- Many sleepers were fixed on a railway.
一条铁路上有许多固定了的枕木。 - Pre-stressed concrete sleepers that have been designed to replace the conventional wooden ones have been tested.
预应力混凝土枕木用来替代传统的木质枕木并已通过了试验。
