U 开头的词汇 (427)

ubiquitousadjective无处不在的ubiquitousadjective无处不在的uglyadj丑陋的uglyadj丑陋的uglyadj丑陋的ultimateadj最终的ultimateadj最终的ultimateadjective最终的ultimateadjective最终的ultimateadjective最终的ultimateadj最终的ultimateadj最终的ultimatelyadverb最终ultimatelyadv最终ultimatelyadverb最终ultimatelyadv最终ultimatelyadv最终ultimatelyadv最终ultrasoundnoun超声波ultravioletadjective紫外线的ultravioletadjective紫外线的ultravioletadjective紫外线的umbrellanoun雨伞umbrellanoun雨伞umbrellanoun雨伞umbrellan.雨伞umbrellanoun雨伞unableadj不能的unacceptableadjective不可接受的unanimousadjective一致的unavailableadjective不可用的unavailableadjective不可用的unavoidableadjective不可避免的unavoidableadjective无法避免的unavoidableadj不可避免的unbelievableadjective难以置信的unbiasedadj公正的unbiasedadjective无偏见的unboundedadjective无界的uncertainadjective不确定的uncertainadjective不确定的uncertainadjective不确定的uncertainadjective不确定的uncertaintynoun不确定性uncertaintynoun不确定性unclenoun叔叔unclenoun叔叔unclearadjective不清楚的unclearadjective不清楚的unclearadjective不清楚的unclearadjective不清楚的unclearadjective不清楚的unclearadj不清楚的uncomfortableadj不舒服的uncomfortableadjective不舒服的uncomfortableadj不舒服的uncomfortableadjective不舒服的uncomfortableadjective不舒服的uncommonadjective不常见的uncommonadjective不常见的uncommonadj不常见的unconformitynoun不整合unconformitynoun不整合unconsciousadj无意识的unconsciousadj无意识的unconventionaladj非常规的unconventionaladjective非常规的uncooperativeadjective不合作的uncoververb揭示uncoververb发现underadv在下面underpreposition在...之下underadv在下面under no circumstancesphrase在任何情况下都不under no circumstancesphrase决不under the groundphrase在地下under the groundphrase在地下under the landphrase在地下under the landphrase在地下under the surfacephrase在表面下under the surfacephrase在表面下under the waterphrase在水下under the waterphrase在水下under these circumstancesphrase在这种情况下underestimateverb低估underestimateverb低估undergoverb经历undergoverb经历undergov经历undergoverb经历undergoverb经历undergoverb经历undergraduatenoun本科生undergraduatenoun本科生undergraduatenoun本科生undergraduatenoun本科生undergroundnoun地铁undergroundnoun地铁underlieverb构成基础underlieverb构成…的基础underlieverb构成基础underlineverb强调underlineverb强调underlineverb强调underlineverb强调underlineverb强调underlineverb强调underlyingadjective潜在的,根本的underlyingadjective潜在的underlyingadjective潜在的undermineverb削弱undermineverb破坏undermineverb削弱,破坏underperformverb表现不佳underscoreverb强调underscoreverb强调understandverb理解understandverb理解understandverb理解understandv.理解understandverb理解understandverb理解understandableadj可理解的understandingnoun理解understandingnoun理解understandingnoun理解understateverb轻描淡写understorynoun林下叶层undertakeverb承担undertakeverb承担undertakeverb承担undertakeverb承担undertakeverb承担undesirableadjective不可取的undoubtedlyadverb无疑undoubtedlyadv毫无疑问地undoubtedlyadverb毫无疑问undoubtedlyadverb无疑unemployedadj.失业的unemploymentnoun失业unemploymentnoun失业unequaladjective不平等的unequaladjective不平等的unequaladjective不平等的unequaladjective不平等的unequaladjective不平等的unethicaladjective不道德的unexpectedadj意外的unexpectedadjective意外的unexpectedadj意外的unexpectedlyadverb意外地unfairadjective不公平的unfairadjective不公平的unfairadjective不公平的unfairadjective不公平的unfairadj不公平的unfairadj不公平的unfairlyadv不公平地unfamiliaradjective不熟悉的unfavorableadjective不利的unfavorablyadverb不利地unfitadjective不健康的unfitadjective不健康的unfoldedadjective展开的unforgettableadjective难忘的unfortunateadj不幸的unfortunatelyadv不幸地,遗憾地unfortunatelyadv不幸地unfortunatelyadv不幸地unfriendlyadjective不友好的unfurnishedadjective不带家具的unfurnishedadjective不带家具的unfurnishedadjective无家具的unfurnishedadjective不带家具的unhappyadj不快乐的unhappyadj不快乐的unhealthyadjective不健康的unhealthyadjective不健康的unhealthyadjective不健康的unhealthyadjective不健康的unhelpfuladjective无帮助的unhelpfuladjective不帮忙的unifiedadjective统一的unifiedadjective统一的uniformnoun校服uniformadj统一的uniformadj统一的uniformadjective/noun统一的;制服uniformadjective统一的uniformadjective统一的uniformitarianismnoun均变论uniformitynoun一致性uniformitynoun一致性uniformlyadv一致地unifyverb统一unifyverb统一unifyverb统一unimportantadjective不重要的unimportantadj不重要的unionnoun工会uniqueadjective独特的uniqueadjective独特的uniqueadjective独特的uniqueadj独特的uniqueadj独特的uniqueadj独特的uniqueadj独特的unitnoun单元unitnoun单元uniteverb团结unitedadjective联合的unitedadj团结的unitynoun团结universaladjective普遍的universaladj普遍的universaladj普遍的,通用的universaladjective普遍的universallyadverb普遍地universenoun宇宙universenoun宇宙universitynoun大学universitynoun大学universitynoun大学unjustadjective不公正的unjustadjective不公正的unjustadj不公正的unjustadjective不公正的unknownadjective未知的unknownadj未知的unknownadj未知的unlessconjunction除非unlessconj除非unlessconjunction除非unlessconjunction除非unlikepreposition不像unlikeprep不像unlikelyadj不太可能的unlikelyadjective不太可能的unlikelyadverb不太可能unlikelyadjective不太可能的unlikelyadjective不太可能的unlimitedadjective无限的unlimitedadjective无限的unlimitedadjective无限的unlimitedadjective无限的unlinkedadjective无关联的unluckyadj不幸的unluckyadj不幸的unmotivatedadjective无动力的unnecessaryadjective不必要的unnecessaryadjective不必要的unnecessaryadjective不必要的unnecessaryadj不必要的unnecessaryadjective不必要的unofficialadjective非官方的unofficialadjective非官方的unofficialadjective非官方的unpleasantadjective令人不快的unpleasantadj令人不快的unpleasantadj令人不快的unpopularadjective不受欢迎的unpopularadj不受欢迎的unprecedentedadjective前所未有的unprecedentedadjective前所未有的unproductiveadj无成效的unproductiveadjective无成效的unprofitableadjective无利可图的unqualifiedadjective不合格的unreasonableadjective不合理的unreasonableadjective不合理的unreasonableadj不合理的unrelatedadjective无关的unreliableadjective不可靠的unreliableadjective不可靠的unreliableadjective不可靠的unripeadj未成熟的unsafeadj不安全的unsatisfactoryadjective不令人满意的unskilledadj不熟练的unskilledadjective不熟练的unstableadjective不稳定的unstableadjective不稳定的unstableadjective不稳定的unstableadjective不稳定的unsteadyadjective不稳定的unstructuredadjective非结构化的unsuccessfuladjective不成功的unsuccessfuladjective不成功的unsuccessfullyadv不成功地unsuccessfullyadverb失败地unsuitableadjective不适宜的unsuitableadj不合适的unsuitableadjective不适合的unsupportedadj无支持的unsureadjective不确定的untilconjunction直到untilconj直到untilpreposition直到until nowphrase直到现在until nowphrase直到现在untimelyadjective不合时宜的unusualadjective不寻常的unusualadj不寻常的unusualadj不寻常的unusualadjective不寻常的unusualadj不寻常的unusualadj不寻常的unusualadj不寻常的unusuallyadv异常地,不寻常地unwillingadj不愿意的unwiseadjective不明智的upadv向上upadv向上up tophrase多达up tophrase多达up to date固定短语最新的up to nowphrase直到现在up to nowphrase到目前为止up to nowphrase到目前为止up to nowphrase直到现在up-to-dateadjective最新的updateverb更新updateverb更新upholdverb维护upliftnoun隆起upliftnoun抬升uplift ratenoun抬升速率uploadverb上传uploadverb上传uploadverb上传uploadv.上传uploadverb上传upload assignmentsverb上传作业uponpreposition在...上upperadj上层的upperadj上层的upsetadj难过的upstairsadv楼上upstairsadv楼上upwellingnoun上升流upwellingnoun上升流uraniumnoun铀uranium-lead datingnoun铀铅测年uranium-lead datingnoun铀铅测年urbanadjective城市的urbanadjective城市的urbanadjective城市的urban planningnoun城市规划urbanizationnoun城市化urbanizationnoun城市化urbanizationnoun城市化urbanizationnoun城市化urgentadjective紧急的urgentadjective紧急的urgentadjective紧急的urgentadjective紧急的urgentadjective紧急的urgentadjective紧急的urgentadj紧急的urgentlyadv紧急地,迫切地urnnoun骨灰瓮usagenoun用量USB drivenounU盘USB drivenounU盘USB portn.USB接口useverb使用useverb使用useverb使用useverb使用useverb使用usenoun使用usev.使用use the libraryverb使用图书馆use upverb用完use upv.用完use upverb用完used toverb phrase过去常常used toverb phrase过去常常usefuladj有用的usefuladj有用的usefuladj有用的usefuladjective有用的usefuladjective有用的usefuladjective有用的usefuladjective有用的uselessadjective无用的uselessadjective无用的uselessadj无用的uselessadj无用的uselessadj无用的uselessadjective无用的uselessadjective无用的user-friendlyadjective用户友好的usernamenoun用户名usernamenoun用户名usernamenoun用户名usingverb使用usualadj通常的usualadjective通常的usualadjective通常的usualadj通常的usualadj通常的usualadjective通常的usuallyadv通常usuallyadverb通常usuallyadv通常usuallyadverb通常usuallyadv通常usuallyadverb通常utensilnoun餐具utilitiesnoun水电费utilitiesnoun水电费utilitiesnoun水电费utilitiesnoun水电费utilityn.水电费utility billnoun水电账单utility billnoun水电账单utility roomnoun杂物间utilizationnoun利用utilizeverb利用utilizeverb利用utilizeverb利用utilizeverb利用utilizev利用utilizeverb利用utmostadj极度的utterlyadverb完全地