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1、Unit3Inventorsandinventionswordsandphrasesnoun,anofficialrighttobetheonlypersontomake,useorsellaproductoraninvention;专利权verb,toobtainapatentforaninventionoraprocess;获得专利权patentYouhaveapatentonthisdesign?这个设计图你们已经申请专利了?Howlongdoesittaketopatentaninvention?取得一项发明的专利用多长时间?distinguishv
2、erb,torecognizethedifferencebetweentwopeopleorthings.区分，辨别，分清distinguish…from…=distinguishbetween…and…把…...与…...加以分开Couldshedistinguishrightfromwrong?她能辨别是非吗？（转化）练一练很难辨认出他和他的孪生兄弟。Itishardtodistinguishhimfromhistwinbrother.distinctionn.区别,差异distinctiveadj.有特色的,与众不同的distinctadj.截然不同的
3、distinguishableadj.区别得出的,辨认得出的相关词汇：Shedistinguishedherselfinmusic.她在音乐方面成就出众。Distinguishyourself,todosthsowellthatpeoplenoticeandadmireyou使著名，使出众，使受人青睐callsbup:1.tomakeatelephonecalltosb;给某人打电话2.tomakesbdotheirtraininginthearmyorfightinthewar;应征入伍Callsthup:1.torecall;使回忆起，使想起2.tous
4、esththatisscoredorkeptavailable调用储存Thegirl'sfacecalledupinhismindtheimageofhisdeadwife.这个女孩的面貌使他回想起他死去的妻子的形象。WhenIcalledupmymotheronthetelephone，Iwasveryupset.当我给我妈妈打电话时候，我非常的伤感。Nowandthen:fromtimetotime,occasionally;偶尔，有时，时常；Iseethemnowandthen,butnotoften.我有时会见到他们，但是并不经常。Thissecti
5、onoftheroadissonarrowthatthereareboundtobetrafficjamsnowandthen.这段路太窄，交通有时不免堵塞。相关短语：fromtimetotime有时;不时(every)nowandagain时而;不时fromnowon从现在开始,今后justnow刚才sincethen从那时以来abruptabruptadj.suddenandunexpected,ofteninanunpleasantway突然的；意外的abruptlyadv.突然地，唐突地,意外地,比suddenly的意外程度强。Themeetingc
6、ametoan________end.会议突然结束了。Theroadmakesseveral_______turnings.这条路有几个急转弯。16.Thetemperaturedropped________.气温骤然下降。abruptabruptabruptlyConvenientAdj:useful,easyorquicktodo;notcausingproblems;便利的；方便的。可构成itisconvenientto/forsb.和itisconvenientforsb.todosth.结构，意为：对某人来说（做某事）是方便的。警示:conveni
7、ent不能以人作主语。Ourschoolisinaveryconvenientarea.我们的房子在一个很方便的地方。It'snotconvenienttotalkhere.这里谈话不方便。Setabout(doing)sth.开始,着手(做）某事Setaboutsetouttodosth.开始做某事setoff(for)=leavefor出发,动身setaside留出,对…不予以考虑Wesetaboutcleaningupthemess.我们开始清理垃圾。Thesoonerwesetaboutit,thesoonerwe’llfinish.我们越早开始，就
8、越早结束。Adj,readyforgivepeopl
