U91.naturen.大自然（前边不加冠词），天性thebeautiesofnature大自然中美好的东西naturala自然的unnaturala.不自然的thenaturalworld自然界naturallyadv.自然地，顺理成章地Afterawhile,wenaturallystartedtalkingaboutthechildren.2.elementn.元素，要素elementarya.基本的，初级的anelementaryschool小学Sunshineisoneofthemostimportantnaturalelementsofmankind'ssurvival.阳光是人类赖以生存的最重要的自然要素之一。3petitionn竞赛，比赛competev.竞争Aftergraduation,wecangooutintheworldandcompete.competitorn竞争者，对手competewith与……竞争wehavetocompetewithstudentsfromtheUS,AustraliaandBrazil.competefor为……而竞争competeforgoldmedalscompeteagainst与……竞争Wecancompeteagainstanybody–andwecanwin.competein参加…比赛（竞赛）competeinarace参加赛跑competitiveadj.竞争的；比赛的；求胜心切的[比较级morecompetitive最高级mostcompetitive]Firstofall,ifwewanttostaycompetitive,weneedtomodernizeourfactory.competitivelyadv.有竞争力地；好竞争地competitiveness[k?m'pet?t?vn?s]n.竞争力Wedon'texcludethepossibilityofacquisitionsifitstrengthensourcompetitiveness.我们不排除收购的可能性，只要这能加强我们的竞争力4.windn.a.windy—windier--windiestWindlessadj.无风的；平稳的Turinisawindlesscity.都灵是一座无风的城市wind/wa?nd/[过去式wound过去分词wound/waund/]vt.缠绕；上发条,蜿蜒Windthebandagearoundyourfinger.Theriverwindsitswaybetweentwomeadows.windinga曲折的，弯曲的，蜿蜒的alongandwindingroad一条漫长而曲折的道路5.sun前加定冠词sunny-sunnier—sunniestsunshine/sunrise/sunset/sunglasses/sunbath6.strong-stronger-strongestMrSunisstrongerthanMrwind.astrong-willedperson一位意志坚强的人strengthn.力量；力气；长处Hepushedagainsttherockwithallhisstrength.strengthsandweaknesses长处和短处，优点和缺点strengthenvt.加强；巩固Theexercisesaredesignedtostrengthenyourstomachmuscles.stronglyadv.强有力地；坚强地；激烈地Idisapprovedstronglyofhisproposal.i我强烈反对他的建议。7.blow—blew---blownv吹，刮，Thewindblewallnight.打击，捶打n.blowgivesb.ablowblowup爆炸;发脾气;放大;告吹blowdown吹倒;blowout吹灭blowoutthecandle8.correctadj.正确的；合适的；符合公认准则的；得体的v.改正；批改；指出错误incorrect不正确的Thecorrectanswerscanbefoundatthebottomofpage8Hehascriticizedthegovernmentforinefficiencyanddelaysincorrectingpastmistakescorrectlyadv.正确地DidIpronounceyournamecorrectly?...Youhavetocorrectlyanswereachquestion.correctnessn.正确性Asktheinvestortocheckthecorrectnessofwhathehaswritten.correctionn.修改；改[纠]正Thecorrectionofcompositiontookalargeamountoftheteacher'stime.9.ordern.命令；顺序；规则；[贸易]定单（disordern.无序，混乱）v.命令；整理；定购inorder整齐，秩序井然；按顺序；状况良好outoforder有毛病，出故障Someonecomesineverydaytocheckallisinorder.每天都有人来检查是否一切都井然有序。Thenamesarearrangedinalphabeticalorder.姓名是按字母顺序排列的。Hisdeskisalwaysinorder.他的书桌上总是整整齐齐的。Hisbusinessaffairsareinorder.他的业务情况良好。Thetelephonewasoutoforder,butisfunctionalnoinordertodosth.为了做某事，目的是做某事InordertolearnEnglishwell,hegetsupveryearlyeverymorningtoreadNCE.(soasto只能用于句子中间，不能放句首)HegetsupearlyeverymorningsoastolearnEnglishwell.(inorderto)inorderforsb.todosth.为了让某人做某事Theyleftthedooropeninorderformetohearthebaby.inorderthat为了IgetupearlyinorderthatIcancatchtheearlybus.Keeporder维持秩序Fortwentyminutes,theSpeakertriedtokeeporder.ordersth.订货，订购，点（食物，饮料等）Heorderedabeerandasandwich.要求某人...