| 单词 | double jump | 
| 释义 | double jumpnoun1    : the action of capturing two of an opponent's checkers in one move of successive jumps with the same piece   2    : a double hurdle consisting typically of two fences set at such a distance that a horse must jump each in turn   3    : a bid in bridge of two tricks more than necessary to overcall (as three spades over one club)    | 
	
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