Singleton

(noun.) the playing card that is the only card in a suit held in a bridge hand as initially dealt.

(noun.) a set containing a single member.

(noun.) a single object (as distinguished from a pair).

编辑:威尔玛

• Put the pearl in the safe, Watson, said he, and get out the papers of the Conk-Singleton forgery case. 阿瑟·柯南·道尔. 福尔摩斯归来记.

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