查词历史：
- Singleton
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N-COUNT
单身人士 A singleton is someone who is neither married nor in a long-term relationship.
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Bank is a 38-year-old singleton who grew up in Philadelphia.
班克是一名 38 岁的单身汉，在费城长大。
- Noun
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1. a single object (as distinguished from a pair)
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2. a set containing a single member
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3. the playing card that is the only card in a suit held in a bridge hand as initially dealt
