如需转载，请注明来自：翻译中国 http;//www.FanE.cn U.S. U.S.A. ubiquitous UFO ugly Uigur UK ulcer ulcerate ulterior ultimate ultimately ultimatum ultramundane ultrasonic ultraviolet umbrage umbrella umpire umpteen UN unabashed unable unacceptable unadvised unaffected unalloyed unanimity unanimous unanswered unassuming unattended unavailing unaware unbearable unbiased unbidden unblemished unbridled uncalled-for uncanny uncap uncertain uncertainty uncharted uncle uncomfortable uncomfortably uncommitted uncommon unconditional 如需转载，请注明来自：翻译中国http;//www.FanE.cn
