单词	doubleton
释义	doubleton noun dou·​ble·​ton ˈdə-bəl-tən  : two cards that are the only ones of their suit originally dealt to a player compare singleton sense 1, void sense 5b Example Sentences Recent Examples on the Web South’s actual play succeeds if diamonds break 3-3 or if, as in the actual case, West has a doubleton honor. Frank Stewart, The Mercury News, 15 Sep. 2019 With semibalanced pattern and honors in the two doubletons, a 1NT opening is the least evil. Frank Stewart, The Mercury News, 19 Jan. 2017 But if East had led from a doubleton, West needed to play the ten, preserving communication so the defense could get two diamonds later. Frank Stewart, The Mercury News, 14 Apr. 2017 Word History Etymology double + -ton (as in singleton) First Known Use circa 1894, in the meaning defined above
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