1、向下；2、去 v.下降；n.下=de(向下)+cline(傾斜thedeclineoftheRomanEmpireadeclineinpopulationHerinfluencedeclinedaftershelostthe v.減少；下Ourshareofthemarkethasdecreasedsharplythis v.描=de(下)+scribe(寫，畫)。寫下：描述Wordscannotdescribethebeautyofthe v.描繪；描=de(下)+pict(同picture，畫)。畫下：描繪Herpaintingsdepictthelivesofordinarypeopleinthelast v.壓下；使沮喪；使=de(下)+press(壓)。壓Ariseinoilpricesdepressesthecar n.凹陷處，洼地，坑；沮喪；=de(向下)+press(壓)+ionIwasoverwhelmedbyfeelingsofTherewasadepressioninthesandwherehe'dbeen v.下=de(下降)+scend(climb，爬)。爬下：下降，走下；遺傳Theballoondescendedgraduallyastheaircameout.Janedescendedthestairs.bedescendedfrom為的后SheclaimstobedescendedfromAbraham v.放下；沉積；n.沉積物；礦=de(下)+pos(put，放)+it。放下：沉積Astheriverslowsdown,itdepositsalayerofsoil.mineral/gold/coaldepositsValuabledepositsofoilhavebeenfoundby v.使降級；使降解；使=de(下)+grade(等級)。降級Thesechemicalsquicklydegradeintoharmlesscompounds.Everydaytheenvironmentisfurtherdegradedbytoxicwastes.environmentaldegradation adj.可降解Thesebagsaremadeofdegradable v.使腐爛；使分解；；n.狀Sugarmakesyourteethdecay.Theempireisindecay. v.去除（某地的）森=de(去除)+(森林)Greattractsoflowlandde edbyloggingandfiringhaveeidealfeedinggroundsfordeer. v.（使）脫=de(去除)+hydr(水)+ate。去除水：使You'lldehydrateveryquicklyinthisheat,ifyoudon'tdrinklotsofdehydrated v.（使）融化；解=de(去除)+frost(霜)1、否定2、分開；離開(apart)其他形式：di-；dif-等 n.；無序的狀態(tài)=dis(否定)+order(順序)Thewholeofficewasinastateofdisorder.Thefamilyhaveahistoryofmentaldisorder. v.拋棄；丟=dis(離開)+card(卡牌)。把不要的牌丟出去：拋棄；丟棄Workerswererequiredtodiscardold n.打折；v.打折；不理會=dis(否定)+count(計算)。不算錢：折扣Youshouldn'tdiscountthepossibilityofhimcoming v.安排；擺放；處=dis(分開)+pos(put，放置)+e。分開放置：安排vasesaredisposedaroundthedispose 處理；丟棄【getridofabetterwayofdisposingofhouseholdwasteAllthefurniturehasbeendisposedof. v.分配；分=dis(分開)+tribute(give)Thebookswillbedistributedtolocalschools.Amanisdistributingleafletstopassers-by. n.分配 adj.多樣=di(分開，不同)+verse(turn，轉(zhuǎn))。轉(zhuǎn)向不同的方向：多樣的NewYorkisaveryculturallydiverse n.多樣性；多種多thebiologicaldiversityofthe Thereisawidediversityofopiniononthe v.使分離；使分開；除dividetheclassintosmallAfterWorldWarTwo,Germanywasdividedintotwoseparate除法的表達：1、dividesthbysth；2、bedividedbysth。divide30by5：用530，即305。30dividedby5is6 v.區(qū)分；分=dis(分開)+tinguishHe'scolour-blindandcan'tdistinguish(thedifference)betweenredandgreeneasily.Thetwinsaresoalikethatnoonecandistinguishonefromthe adj.明顯不同的；明顯=dis(分開)+tinct。能夠被區(qū)分開來的：明顯不同的AstronomyisquitedistinctfromThere'sadistinctsmellofcigarettesin adj.特別的；有特色=distinct(明顯不同的)+ive。與眾不同的：有特色的；特別的She'sgotaverydistinctive在…之下；低于，“亞其他形式：suf-；sup-；suc- adj.海下的，海底的；n.潛水=sub(在…下面)+marine(海洋的submarinentssubmarine adj.帶=sub(低于)+tropical(熱帶的) n.學科；；研究對象；主v.=sub(下面)+ject(扔)。扔到…下面：使服從；使承subjectedhimtohoursofquestioning.Expandingpopulationsaresubjectingthelandtoincreasing v.提交；服從；屈=sub(在下面)+mit(send，送)。在下面送：服從；提交；屈服AllapplicationsmustbesubmittedbyShedecidedtoresignfromthepartyratherthansubmitherselftothenewrules. adj.隨后的；后來=sub(在下面)+sequ(跟隨)+ent。跟在后面的：隨后的，后來的SubsequenteventsprovedmeThefirstandallsubsequentvisitswerekept v.成功；；接=suc(在下面)+ceed(走)。跟在后面走：接任Hesucceededhisfatheraseditorofthe adj.接連不斷的；連續(xù)=suc(在下面)+cess(走)+ive。一個跟著一個走：接連不斷的Itwastheteam'ssuccessiveHewontheWorldChampionshipforthethirdsuccessive n.郊=sub(在…下面)+urb(同urban，城市的)。低于城市：郊區(qū) n.實質(zhì)；本質(zhì)；物=sub(在下面)+stance(同stand)。隱藏在表面之下：本質(zhì)；實Itwasanentertainingspeech,butitlackedsubstance(=therewasnoimportantinformationinit). adj.（數(shù)量、價值）巨大的；重大的；實質(zhì)的；物=substance的形容詞。事物的本質(zhì)：重要的；重大的；巨大Thefindingsshowasubstantialdifferencebetweentheopinionsofmenandwomen.Thefirstdraftofhisnovelneededasubstantialamountof高于；在…之 adj.卓越的；極好=super(高于)+b。高于B：你的評分是AHeisasuperb adj.更優(yōu)的；更高的；有優(yōu)ThisisclearlytheworkofasuperiorThismodelistechnicallysuperiortoits adj.最高theSupremeThepresentconstitutiongivessupremeauthoritytothe adj.表面的；淺薄的，膚淺=super(在上面)+fic(do，做)+ialasuperficialIthoughtthatarticlewaswrittenataverysup