人教版九年级英语-unit-4词汇讲解

Unit41.million百万Therearetwomillionpeopleinthecity.2.medicaladj.医学的，医疗的Heisamedicalstudent.medicinen.药物3.researchn.研究，不可数名词常与do，make等连用，表示“做或进行研究工作”，其后可接介词on，in，into，for等表示研究的内容。Hedidagooddealofresearchonthissubject.researchvi.“对…进行研究“，后接介词intoHeisresearchingintothecauseofcancer.4.tien.领带Hewearsabluetie.tiev.系，拴，绑现在分词tyingtie….to…把…系到…上5.whatif表示询问或提建议，相当于whatshouldIdoif….?Whatifthereisnowaterontheearth?辨析whatifwhataboutwhatif+句子whatabout+n./v-ing6.pimple小脓包，丘疹getpimples长痘，起疙瘩7.confidentadj.自信的，有把握的beconfidentofsth./that….对…有信心，确信…Sheisconfidentofpassingtheexam.=Sheisconfidentthatshecanpasstheexam.confidencen.自信haveconfidenceinsth.对某事有信心=beconfidentofsth.confidentlyadv.自信地7.energeticadj.有活力的，精力充沛的Heisanenergeticman.energyn.精力，活力Sheisfullofenergy.8.permissionn.允许，许可，准许不可数名词askforpermission请求许可with(one’s)permission经过(某人的)许可without(one’s)permission未经(某人的)许可Hediditwithoutpermission.9.botherv.使恼怒vt.使烦恼+n./pron.vi.烦恼，费心，与about/with连用botherwithsth.为某事费心Don’tbotherhim!10.not….intheslightest=not…atall根本不Theoldladydoesnotfeeltiredintheslightest.=Theoldladydoesnotfeeltiredatall.11.plentyof很多的，后接可数名词复数或不可数名词均可，通常用于肯定句或否定句中。疑问句中则用enough,much或many.Isthereenoughmoney?anumberof+可数名词复数12.letsb.down让某人失望/沮丧Pleasedon’tletmedown.13.comeupwith想出，提出=thinkofHecomesupwithagoodidea.14.restn.其余therest做主语时，若代替可数名词复数，谓语用复数，若代替不可数名词，谓语用单三。Inourclass,somestudentsaredrawingandtherestarereading.Thereis10yuaninthewallet.Fouryuanisforyou,andtherestisforme.therestof+n.做主语，谓语动词的数应与of后的名词的数保持一致。Therestoftheworkersarefromcountryside.Therestofthefoodhasgonebad.15.comeout⑴出版，发表Thismagazinecomesoutonceaweek.⑵开花Ithinktherosewillcomeoutnextweek.come短语大聚会comeback回来comefrom来自comeover顺便来访comeacross偶然遇到16.cover…with…用…盖住Don’tcoverhisfacewiththebook.cover作名词，意为“盖子，封面”Ireallylikethecoverofthebook.17.offerv.用作及物动词，有（主动）拿给，给予的意思，相当于give，后可接名词或代词作宾语，也可接双宾语，即offersb.sth=offersth.tosb.