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英汉词典 · 高频词浏览

U 开头的单词（前 300 个）

up use us under until understand upon usually unit university understanding unless United urban union unique ultimately user used upper unfortunately useful unusual universe unable urge usual unlike utility ultimate universal unlikely unknown uniform undergo ugly uncle upset unemployment unexpected uncomfortable undermine uncertainty unity undertake unite underlying utilize uncertain upstairs unprecedented uncover uh unfair unfold unhappy undergraduate update unfortunate upcoming unclear urgent underground uphold unnecessary undoubtedly unidentified utterly useless umbrella unconscious underneath underscore uh-huh unfamiliar upgrade unaware unbelievable upward unwilling unusually usage urgency unemployed underestimate unpleasant underwear uneasy unacceptable usher undo unpredictable unveil uncommon unlimited utter unlock understandable unwanted unstable underway unload urine unified um unleash unexpectedly upright undercover unrelated underlie unsuccessful uprising uranium unsure unseen unify uneven ubiquitous upscale unfinished unconstitutional unpopular uniquely unravel unrealistic unchanged unanimous universally unrest untouched upheaval undercut underwater unsafe unreasonable unofficial unnoticed unilateral unison unthinkable undertaking upbeat unmarried ultraviolet unhealthy unsettle unto unnatural underline uniformed uninsured umpire unavailable unmistakable usefulness unanswered utilization unconventional unfairly unification ulcer unpaid unresolved understandably upbringing unbearable unintended unused unanimously undecided unearth updated unreliable unequal Ukrainian unspoken upstate unprepared unjust uncanny unauthorized undesirable unnamed upwards underside usable uniformly unpublished undocumented urgently upstream unsuccessfully unpack unborn unconditional unavoidable utopian unheard unconsciously utmost unmarked unprotected unruly up-to-date uphill uniqueness untrue undeniable unwelcome unimaginable utterance undress ultrasound unfavorable untreated utilitarian UFO unsalted unarmed underdog unwillingness unforgettable unreal unnerve undue underwrite unilaterally utensil unnecessarily uncomfortably uterus unethical unimportant unwittingly upside unhappiness underworld understate untold undisturbed unaffected understatement uproar uncontrollable urn unquestionably unrestricted unregulated uncontrolled unfit ultra upland unbelievably unbroken unease unlucky unsolved unspecified unattractive unsuspecting unexplained unrelenting unparalleled unchecked unwind urbanization ultimatum uniformity upholstery unspeakable underfoot unfounded unifying unmanned untie unlawful unqualified underpinning uninterrupted undeveloped unskilled uneasily utopia unorthodox unwise undisclosed uplifting undefeated unequivocally unworthy undeniably up-front unduly unsatisfactory unremarkable unfriendly uh-oh undulating urinate