2015-2016学年牛津沪教版初中英语七年级下同步课堂笔记Unit4SavethetreesI.WordsW1.savev.拯救；储蓄；贮存safeadj.安全的safelyadv.安全地safetyn.安全≈rescuev.拯救savemoney存钱savewater节水e.g.Hesavedtheboyfromthefire.Hesavedalotofmoney.Let’svesatheEarthtogetherbecauseitis（处于危险之中）indanger.W2.pinen.松树v.渴望（pinetodosth.渴望做某事）pinetree松树pinenut松子pinecone松球pineneedle松针squirreln.松鼠pineapplen.菠萝e.g.Thehilliscoveredwithpines.Sheispiningtotravelabroad.W3.discussv.讨论≈talkabout谈论；讨论discussionn.讨论；商讨discusssth.讨论某事discusssth.with与某人讨论某事sb.discussdongsth.讨论做某事havea(hot)discussionabout/on对某事进行（热烈的）讨论sth.e.g.Idiscussedtheproblemwithmyparents.Wehadaninterestingdiscussionaboutphilosophy.同义句：Wearediscussingthematterwiththeteachers.=Wearehavingadiscussionabout/onthematterwiththeteachers.W4.branchn.树枝；分公司；分店；分行；分支（pl.branches）abranchofariver河的支流e.g.Weoftencutsomebranchesoffthetreesinourcityinearlyspring.Thebankhasbranchesalloverthecountry.Birdsareonthebranches.W5.rootn.根theroot根源；基础rooter拉拉队员therootofaplant植物的根therootofatooth牙根pullupbytheroots连根拔起takearoot生根removeadiseaserootandbranch彻底治疗疾病e.g.Treesneedrootstotakeinwaterandfood（土壤）fromthe.soilLet’sgettotherootofthismatter.W6.fightv.与……作斗争；打架；战斗；争吵；争取fight-fought-foughtfightern.战士；斗士区别：flightn.航班frightn.惊吓fightanenemy打敌人fightthefire救火fightabattle打仗fight用法：(1)fightfor后面一般接抽象名词（如自由、真理、权利等）：1e.g.Theyarefightingforfreedom.(2)fightagainst后面接事物名词或人和国家名词：e.g.Theyfoughtagainsttheenemies.(3)fightwith后面接人或国家名词，表示“同……并肩战斗”：e.g.TheyfoughtwiththeItaliansinthelastwar,buttheyfoughtagainsttheminthis.W7.againstprep.反对≠forprep.赞成e.g.Weareforpeaceandagainstwar.Manypeopleareagainsttheplan.against其它用法：(1)against表示“靠；倚”：e.g.Iputtheladder（梯子）againstthewall.(2)against表示“防止；预防”：e.g.Haveyouhadaninjectionagainstthedisease?(3)against表示“撞击；碰着”：e.g.Hehitagainstatree.Rainbeatsagainstthewindow.W8.examplen.例子＝instancen.例子；实例forexample（举众多例子中的其中一个）forinstance（举出一个实例，一个事实）suchas（举多个例子）e.g.Thisdictionarygivesmanyexamplesofhowwordsareusedinsentences