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单词 Blackwood
释义 ˈBlackwood2 Bridge.
The name of an American, E. F. Blackwood, used attrib. or absol. of a bidding system that he devised, whereby a bid of four no-trumps is used as an asking bid to which the partner's reply in five of a suit shows the number of aces that he holds.
1938E. Culbertson Contract Bridge Complete (1939) xxvi. 321 A four and five no-trump convention known in most parts of the country as the Blackwood Convention has a number of sturdy adherents.1958Listener 16 Oct. 611/2 Assuming the use of Blackwood, my auction would be [etc.].
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