Uunable [?n?e?bl]adj 不能的；不會(huì)的beabletodosthHestoodleaningagainstthewall,abletospeak.unbelievableadj 難以置信的 an~speed，It’s~thatsb(should)do…unconscious [?n?k?n??s]adj a.未意識到的be~ofsthb.失去知覺的；不省人事的knocksb~Hewasfoundlyingonthesofa,unconscious,underprep在…下面runoutfrom~thebed,children~fiveundercontrol/constructionIrepair/way/treatment/discussion/consideration/theleadershipoftheParty在控制中/在建造中/在修理中/在進(jìn)行中/在治療中/在討論中/在考慮中/在黨的領(lǐng)導(dǎo)下.undergovt undergo-underwent-undergone經(jīng)受；經(jīng)歷；遭受(不愉快/痛苦的事）~greatchanges經(jīng)歷巨變~hardships/suffering遭受艱苦/痛苦6. underline [??nd??la?n]vt 在…下面劃線;強(qiáng)調(diào)~themainpoints,theunderlinedword,~theneedforreformunderstandvt understand–understood-understood理解；懂Ican’t~his/himtakingthemoneyfully~sth,makeoneselfunderstood/heardunderstandingadj 能諒解的；通情達(dá)理的You’remost~.n 理解(力)；諒解increasethe~betweenthetwocountries促進(jìn)兩國之間的理解ant misunderstanding誤解leadtomisunderstanding導(dǎo)致誤解undertakevt undertake-undertook-undertaken接受；承擔(dān)(責(zé)任/艱苦的工作等）~atask承擔(dān)任務(wù)，bear/assume/take(on)/shoulder/-responsibility(forsth)undovt undo-undid-undonea. 解開；松開(結(jié)/鈕扣）undoaknot/apackage解結(jié)/包襄b. 取消；廢除Whatisdonecannotbeundone.事已定局，無可挽回(潑水難收.）11. unexpected[??n?k?spekt?d]adj 意外的；未預(yù)料到的an~guest不速之客,becaughtinthe~rainunfitadj 不合適的be~forsth/todosthHe’s~forthejob.Thefoodis~toeat.uniform[?ju:n?f?:m]n 制服；校服gotoworkinwearschool~sunion[?ju:ni?n]n a. 協(xié)會(huì)trade~工會(huì),ChairmanoftheStudents’Union學(xué)生會(huì)主席b. 聯(lián)合；團(tuán)結(jié)the~ofthreetownsintoone,Union/Unityisstrength.團(tuán)結(jié)就是力量.unique [ju?ni:k]adj 獨(dú)一無二的a~opportunity,a~workofart一件獨(dú)特的藝術(shù)品unitevt 聯(lián)合；結(jié)合~AwithB,~infighting/tofightAIDS,beunitedasone團(tuán)結(jié)如一theUnitedNations聯(lián)合國Unitedwestand,dividedwefall.合則立，分則裂.unknownadj 未知的exploretheunknown探索未知的東西，unknowntosbuntouchedadj 未觸攬過的；未開發(fā)的leavethecakeuntouched/theworkunfinished19. upadv 向上Pricesaregoingupdaybyday.eat/useup吃光/用光What’sup?=What’sthematter?Whathashappened?/What’sgoingon?發(fā)生了什么事？upanddown a.上下looksbupanddownb.來回move/walkupanddown走來定去upto a.go/runuptosb走到/跑到跟前b.多達(dá)Thecarcancarryupto6persons.c.直到uptonowd.達(dá)到，勝任uptothestandard/thejobbeuptosb a.由某人決定It’snptoyoutodecide.b.是某人的職責(zé)It’suptoustohelpthoseintrouble.c.從事，忙于 Ibetheisuptonogood.我敢打賭他沒干好事.n. upsanddowns波折；起起伏伏experiencemanyupsanddowns,Lifeisfullofupsanddowns.20.upright ['?p'rait] adj. a. 直立的；挺直的an~oldmanb. 正直的berespectedasan~manadv. sit/stand~坐直/站直21.upset [?p'set] upset-upset-upsetvt. a. 使心煩意亂，打擾Thenewsquiteupsethim.~/disturb/destroythebalanceofnature擾亂/破壞生態(tài)平衡b. 打翻~abottleofink打翻一瓶墨水? c. ~one'sstomach使胃不舒服adj. 心煩的；不安的；弄翻的feel/be~atnotbeinginvitedn. astomachupset胃不舒服22.urban ['?:b?n] adj.城市的~life/areas城市生活/地區(qū)ant.rural農(nóng)村的23.urge [?:d?]vt. 催促；激勵(lì)~sbtodo/thatsb(should)dosthHeurgedustogo/thatweshouldgourgesbon激勵(lì)某人urgesbon(togreaterefforts)激勵(lì)…更努力n. 沖動(dòng)；強(qiáng)烈愿望haveanurge(=astrongdesire)todosth很想做某事24.urgent ['?:d??nt]adj. 緊急的；急迫的an~message/cryforhelp緊急消息/呼救bein~needofrepair急需修理，It’smost~thatwe(should)operate.咱們得馬上動(dòng)手術(shù).25.usen. make(full/good)useof,makethemost/bestof充分利用comeintouse開始被使用,in/outof~在使用/不再使用，ofgreatuse=veryusefulputsthtouse使用，It’snouse/nogood/uselessdoingsth.vt. usesthup用完，usesthas用作usedtodo/beu