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单词	conundrum
释义	co·nun·drum (kə-nŭndrəm) n. 1. A riddle in which a fanciful question is answered by a pun. 2. A paradoxical, insoluble, or difficult problem; a dilemma: "the conundrum ... of achieving full employment without inflation" (Arthur M. Schlesinger, Jr.) [Origin unknown.]
随便看	nannyberry nanny goat nannyish nanny state nano- nanoampere nanobacterium nanobot nanocrystal nanoelectromechanical systems nanofabrication nanofiber nanofossil nanofossil nanogram nanomachine nanometer nanomole nanoparticle nanoplankton nanoplankton nanoscale nanoscopic nanosecond nanostructure

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。