Unit 2 Stay Healthy 单词精讲课件2025-2026学年人教版英语八年级下册

Unit2StayHealthy人教版八年级下册英语单词讲解Vocabularyourselves/ˌaʊəˈselvz;ɑːˈselvz/pron.我们自己sore/sɔː(r)/

adj.疼痛的；酸痛的throat

/θrəʊt/n.喉咙stomachache/ˈstʌməkeɪk/n.胃痛；肚子疼

headache/ˈhedeɪk/n.头痛toothache/ˈtuːθeɪk/n.牙痛backache

/ˈbækeɪk/n.背痛；腰痛suffer/ˈsʌfə(r)/v.受苦；遭受press/pres/v.压；按dentist/ˈdentɪst/n.牙科医生fever/ˈfiːvə(r)/n.发烧Vocabulary

stomach

/ˈstʌmək/n.胃；腹部

avoid/əˈvɔɪd/v.避免；防止

gas/ɡæs/n.气体；燃气

ache/eɪk/n.&v.疼痛X-ray

/ˈeksreɪ/n.X射线检查；X射线careless/ˈkeələs/adj.不小心的；粗心的runny/ˈrʌni/adj.流鼻涕的；流眼泪的cough/kɒf/n.&v.咳嗽test/test/n.&v.检查；测验

flu/fluː/n.流行性感冒medicine/ˈmedsn/n.药；医学Vocabularyvirus/ˈvaɪrəs/n.病毒description/dɪˈskrɪpʃn/n.描写；形容

patient

/ˈpeɪʃnt/n.病人adj.有耐心的illness

/ˈɪlnəs/n.疾病

knife

/naɪf/n.(pl.knives/naɪvz/)刀safety/ˈseɪfti/n.安全；安全处所clear/klɪə(r)/

adj.清晰的；清楚的v.清理

pain

/peɪn/n.疼痛；痛苦brightness/ˈbraɪtnəs/

n.亮度environment/ɪnˈvaɪrənmənt/

n.环境cross

/krɒs/v.穿越；横过；交叉Vocabularythemselves/ðəmˈselvz/pron.他（或她、它）们自己happily/ˈhæpɪli/adv.快乐地；高兴地burn/bɜːn/v.(burnt/bɜːnt/,burnt)燃烧；着火n.烧伤throw/θrəʊ/v.猛动（身体部位）；扔；抛n.扔；投（球）quick/kwɪk/adj.快的；迅速的adv.迅速地；快速地aid/eɪd/n.&v.帮助；援助tonight/təˈnaɪt/adv.在今晚n.今夜；今晚sadly

/ˈsædli/adv.伤心地；令人遗憾地smoke/sməʊk/n.烟v.吸烟；冒烟luckily/ˈlʌkɪli/adv.幸运地Vocabularybadly/ˈbædli/adv.(worse/wɜːs/,worst/wɜːst/)严重地harm/hɑːm/n.&v.伤害；损害pill/pɪl/n.药丸；药片harmful

/ˈhɑːmfl/adj.有害的hit/hɪt/v.碰撞；击；打n.打；击；击中shock

/ʃɒk/

n.震惊；令人震惊的事v.使震惊；使惊愕bleed/bliːd/v.(bled/bled/,bled)流血；出血check/tʃek/v.检查；查明n.检查；调查nervously/ˈnɜːvəsli/adv.紧张不安地WordsandexpressionsUnit2ourselves/ˌaʊəˈselvz;ɑːˈselvz/pron.我们自己短语-enjoyourselves玩得开心-byourselves独自；靠我们自己例句·Wecanfinishtheworkbyourselves.

我们可以独自完成这项工作。·Weenjoyedourselvesatthepartylastnight.

昨晚的派对上我们玩得很开心。sore/sɔː(r)/adj.疼痛的；酸痛的词性变换-adv.sorely非常；极其-n.soreness疼痛短语-asorethroat喉咙痛-soremuscles肌肉酸痛例句·IhaveasorethroatbecauseIcaughtacold.

我因为感冒而喉咙痛。·Afterthelongrun,Ihavesoremusclesinmylegs.

长跑之后，我的腿部肌肉酸痛。throat/θrəʊt/n.喉咙短语-clearone'sthroat清嗓子-haveasorethroat喉咙痛例句·Hecoughedandclearedhisthroatbeforespeaking.

他在说话前咳嗽了一下并清了清嗓子。·Shecan'tsingwellbecauseshehasasorethroat.

她因为喉咙痛唱不好歌。stomachache/ˈstʌməkeɪk/n.胃痛；肚子疼短语-haveastomachache胃痛-causeastomachache引起胃痛例句·Eatingtoomuchjunkfoodmaycauseastomachache.

吃太多垃圾食品可能会引起胃痛。·IhadastomachachesoIwenttoseethedoctor.

我胃痛，所以去看了医生。headache/ˈhedeɪk/n.头痛短语-haveaheadache头痛-abadheadache

剧烈头痛例句·Shestayedathomebecauseshehadabadheadache.

她因为剧烈头痛而待在家里。·Listeningtoloudmusicforalongtimecangiveyouaheadache.

长时间听吵闹的音乐可能会让你头痛。toothache/ˈtuːθeɪk/n.牙痛短语-haveatoothache牙痛-seeadentistforatoothache因牙痛看牙医例句·Youshouldseeadentistifyouhaveatoothache.

如果你牙痛，应该去看牙医。·Thetoothachekeptmeawakeallnight.

这牙痛让我整晚都睡不着。backache/ˈbækeɪk/n.背痛；腰痛短语-haveabackache背痛-relieveabackache缓解背痛例句·Liftingheavythingsoftenleadstoabackache.

提重物常常会导致背痛。·Doingsomegentleexercisecanhelprelieveabackache.

做一些温和的运动可以帮助缓解背痛。suffer/ˈsʌfə(r)/v.受苦；遭受词性变换-n.suffering痛苦；苦难短语-sufferfrom遭受；受……折磨-sufferaloss遭受损失例句·Manypeoplesufferfromstressinmodernlife.

现代生活中很多人遭受压力的折磨。·Thecompanysufferedabiglosslastyear.

这家公司去年遭受了巨大损失。press/pres/v.压；按词性变换-n.pressure压力短语-pressdown按下-presssb.todosth.催促某人做某事例句·Youneedtopressdownthebuttontostartthemachine.

你需要按下按钮来启动机器。·Myparentsalwayspressmetostudyhardforexams.

我的父母总是催促我为了考试努力学习。dentist/ˈdentɪst/n.牙科医生词性变换-adj.dental牙齿的；牙科的短语-gotothedentist

看牙医-adentalcheck-up

牙科检查例句·Iwillgotothedentistforaregularcheck-uptomorrow.

我明天要去看牙医做常规检查。·Thedentalcheck-upshowedthatIhavenocavities.

这次牙科检查显示我没有蛀牙。fever/ˈfiːvə(r)/n.发烧词性变换-adj.feverish发烧的短语-haveafever发烧-highfever高烧例句·Thechildhasahighfeverandneedstoseeadoctor.

这个孩子发高烧，需要看医生。·Youshouldrestinbedwhenyouhaveafever.

你发烧的时候应该卧床休息。stomach/ˈstʌmək/n.胃；腹部短语-emptystomach空腹-upsetstomach肠胃不适例句·Youshouldn’texerciseonanemptystomach.

你不应该在空腹时运动。·Eatingtooquicklycangiveyouanupsetstomach.

吃得太快会让你肠胃不适。avoid/əˈvɔɪd/v.避免；防止词性变换-n.avoidance避免-adj.avoidable可避免的短语-avoiddoingsth.避免做某事-avoidmistakes避免错误例句·Weshouldavoidmakingthesamemistakeagain.

我们应该避免再次犯同样的错误。·Ifyoudrivecarefully,youcanavoidmosttrafficaccidents.

如果你小心驾驶，就能避免大多数交通事故。gas/ɡæs/n.气体；燃气短语-naturalgas天然气-gasstove煤气灶例句·Remembertoturnoffthegasstoveaftercooking.

做完饭后记得关掉煤气灶。·Mosthomesinthisareausenaturalgasforheating.

这个地区的大多数家庭用天然气取暖。ache/eɪk/n.&v.疼痛词性变换-adj.aching疼痛的短语-bodyache身体酸痛-acheallover浑身酸痛例句·Afterrunning,Ifeltmylegsachingallover.

跑步后，我感觉双腿浑身酸痛。·IhaveabodyachebecauseIworkedouttoomuchyesterday.

我浑身酸痛，因为昨天锻炼过度了。X-ray/ˈeksreɪ/n.X射线检查；X射线短语-takeanX-ray拍X光片-X-rayexaminationX光检查例句·ThedoctoraskedhimtotakeanX-rayofhischest.

医生让他拍一张胸部X光片。·TheX-rayexaminationshowedthathisboneswerefine.

这次X光检查显示他的骨头没有问题。careless/ˈkeələs/adj.不小心的；粗心的词性变换-adv.carelessly粗心地-n.carelessness粗心短语-becarelesswith对……粗心-carelessmistakes粗心的错误例句·Hiscarelessnessledtomanymistakesintheexam.

他的粗心导致考试中出现了很多错误。·Don’tbecarelesswithyourmoney,oryou’llrunoutsoon.

别对钱太粗心，否则很快就会花光。runny/ˈrʌni/adj.流鼻涕的；流眼泪的词性变换-v.run流动；跑短语-runnynose流鼻涕-runnyeyes流眼泪例句·Ihavearunnynoseandacoughbecauseoftheflu.

我因为流感而流鼻涕还咳嗽。·Thesmokemadehereyesrunnyandherthroatsore.

烟让她流眼泪，喉咙也痛。cough/kɒf/n.&v.咳嗽短语-haveacough咳嗽-coughup咳出例句·Shecoughedupsomephlegmandfeltbetter.

她咳出一些痰后感觉好多了。·Ihaveabadcoughandcan’tsleepwellatnight.

我咳得很厉害，晚上睡不好觉。test/test/n.&v.检查；测验词性变换-n.tester测试员短语-takeatest参加考试-testsb.’stemperature给某人量体温例句·WewilltakeamathtestnextMonday.

下周一我们要参加数学考试。·ThenursetestedmytemperaturetoseeifIhadafever.

护士给我量了体温，看我是否发烧。flu/fluː/n.流行性感冒短语-havetheflu患流感-fluvaccine流感疫苗例句·Manystudentswereabsentbecausetheyhadtheflu.

很多学生因为患流感而缺席。·Gettingafluvaccinecanhelpyoustayhealthyinwinter.

接种流感疫苗可以帮助你在冬天保持健康。medicine/ˈmedsn/n.药；医学词性变换-adj.medical医学的短语-takemedicine吃药-traditionalChinesemedicine中医例句·Youshouldtakemedicinethreetimesadayaftermeals.

你应该每天饭后吃药三次。·HeisstudyingtraditionalChinesemedicineatuniversity.

他在大学里学习中医。virus/ˈvaɪrəs/n.病毒词性变换-adj.viral病毒的短语-avirusinfection

病毒感染-computervirus

电脑病毒例句·Thevirusspreadquicklyamongthepeopleinthecity.

这种病毒在城市人群中快速传播。·Mycomputerwasattackedbyacomputervirusyesterday.

我的电脑昨天被电脑病毒攻击了。description/dɪˈskrɪpʃn/n.描写；形容词性变换-v.describe描述-adj.descriptive描述性的短语-giveadescriptionof

描述……-adetaileddescription详细描述例句·Canyougiveadescriptionofthemanyousaw?

你能描述一下你看到的那个男人吗？·ThebookcontainsadetaileddescriptionoflifeinancientChina.

这本书里有对中国古代生活的详细描述。patient/ˈpeɪʃnt/n.病人adj.有耐心的短语-apatientwithcancer

癌症病人-bepatientwithsb.对某人有耐心例句·Thedoctoristakinggoodcareofthepatient.

医生正在精心照顾这位病人。·Youshouldbepatientwithchildrenwhentheymakemistakes.

当孩子犯错时，你应该对他们有耐心。词性变换-n.patience耐心-adv.patiently耐心地illness/ˈɪlnəs/n.疾病词性变换-adj.ill生病的短语-aseriousillness

重病-preventillness

预防疾病例句·Shehasbeenweaksincesherecoveredfromaseriousillness.

她从重病中康复后一直很虚弱。·Washinghandsoftencanhelppreventillness.

勤洗手可以帮助预防疾病。knife/naɪf/n.(pl.knives/naɪvz/)刀短语-asharpknife

锋利的刀-useaknife

用刀例句·Becarefulwiththeknife—it’sverysharp.

小心这把刀，它很锋利。·Heusedaknifetocuttheappleintopieces.

他用一把刀把苹果切成了小块。safety/ˈseɪfti/n.安全；安全处所词性变换-adj.safe安全的-adv.safely安全地短语-trafficsafety交通安全-safetyrules安全规则例句·Wemustfollowthesafetyruleswhenweareinthelab.

我们在实验室时必须遵守安全规则。·Theschoolcaresalotaboutthesafetyofitsstudents.

学校非常关心学生的安全。clear/klɪə(r)/adj.清晰的；清楚的v.清理词性变换-adv.clearly清楚地短语-clearup清理；放晴-aclearanswer清晰的回答例句·Pleaseclearupyourdeskbeforeyouleave.

离开前请清理你的书桌。·Hegaveaclearanswertotheteacher’squestion.

他对老师的问题给出了清晰的回答。pain/peɪn/n.疼痛；痛苦词性变换-adj.painful疼痛的-adv.painfully痛苦地短语-feelpain感到疼痛-asharppain剧痛例句·IfeltasharppaininmybackwhenIliftedthebox.

我搬箱子时背部感到一阵剧痛。·Themedicinecanhelpreducethepain.

这种药可以帮助减轻疼痛。brightness/ˈbraɪtnəs/n.亮度词性变换-adj.bright明亮的-adv.brightly明亮地短语-thebrightnessofthesun阳光的亮度-adjustthebrightness调节亮度例句·Thebrightnessofthe

lighthurtmyeyes.

光线的亮度刺痛了我的眼睛。·Youcanadjustthebrightnessofthescreenonyourphone.

你可以调节手机屏幕的亮度。environment/ɪnˈvaɪrənmənt/n.环境词性变换-adj.environmental环境的短语-protecttheenvironment保护环境-naturalenvironment自然环境例句·Weshoulddoourbesttoprotecttheenvironment.

我们应该尽最大努力保护环境。·Theanimalsinthezooarenotintheirnaturalenvironment.

动物园里的动物不在它们的自然环境中。cross/krɒs/v.穿越；横过；交叉词性变换-n.crossing十字路口短语-crossthestreet过马路-crossone'sarms

交叉双臂例句·Youmustlookbothwaysbeforeyoucrossthestreet.

过马路前必须左右看。·Hesattherewithhisarmscrossed,lookingangry.

他交叉着双臂坐在那里，看起来很生气。themselves/ðəmˈselvz/pron.他（或她、它）们自己短语-enjoythemselves玩得开心-bythemselves独自；靠他们自己例句·Thechildrencantakecareofthemselvesnow.

孩子们现在可以自己照顾自己了。·Theyenjoyedthemselvesatthebeachlastweekend.

上周末他们在海滩玩得很开心。happily/ˈhæpɪli/adv.快乐地；高兴地词性变换-adj.happy快乐的-n.happiness幸福短语-livehappily幸福地生活-smilehappily开心地笑例句·Thechildrenareplayinghappilyinthepark.

孩子们在公园里快乐地玩耍。·Theylivedhappilyeverafter.

从此他们幸福地生活在一起。burn/bɜːn/v.燃烧；着火n.烧伤词性变换-adj.burnt烧焦的；烧伤的短语-burnoneself烫伤自己-getburnt被烧伤例句·Becarefulnottoburnyourselfonthehotstove.

小心别被滚烫的炉灶烫伤。·Shegotburntwhenshetouchedthehotpan.

她碰到热锅时被烫伤了。throw/θrəʊ/v.猛动（身体部位）；扔；抛n.扔；投（球）短语-throwaway

扔掉-throwat

朝……扔例句·Don’tthrowawaytheemptybottles—wecanrecyclethem.

别把空瓶子扔掉，我们可以回收利用。·Hethrewtheballtohisfriend.

他把球扔给了朋友。quick/kwɪk/adj.快的；迅速的adv.迅速地；快速地词性变换-adv.quickly迅速地短语-aquicklook

快速看一眼-bequicktodosth.迅速做某事例句·Hetookaquicklookattheclockandranoutofthedoor.

他快速看了一眼钟表，然后跑出了门。·Sheisquicktolearnnewthings.

她学新东西很快。aid/eɪd/n.&v.帮助；援助短语-firstaid急救-aidsb.indoingsth.帮助某人做某事例句·Everyoneshouldlearnsomefirstaidskills.

每个人都应该学习一些急救技能。·Thecharityaidspoorchildreningettinganeducation.

这个慈善机构帮助贫困儿童接受教育。tonight/təˈnaɪt/adv.在今晚n.今夜；今晚短语-tonight’smeeting今晚的会议-stayathometonight今晚待在家里例句·Whatareyougoingtodotonight?

你今晚打算做什么？·Wewillhaveapartytonight.

我们今晚要举办一个派对。sadly/ˈsædli/adv.伤心地；令人遗憾地词性变换-adj.sad伤心的-n.sadness悲伤短语-sadlyenough遗憾的是-looksadlyat悲伤地看着例句·Sadly,wemissedthelastbusandhadtowalkhome.

遗憾的是，我们错过了末班车，不得不走路回家。·Shelookedsadlyatthephotoofherdeaddog.

她悲伤地看着她死去的狗的照片。smoke/sməʊk/n.烟v.吸烟；冒烟词性变换-n.smoker吸烟者-adj.smoky冒烟的短语-smokeacigarette抽烟-nosmoking禁止吸烟例句·Itisnotallowedtosmokeinpublicplacesinmanycountries.

在很多国家，公共场所禁止吸烟。·Thesmokefromthefiremadeithardtobreathe.

火灾产生的烟雾让人难以呼吸。luckily/ˈlʌkɪli/adv.幸运地词性变换-adj.lucky幸运的-n.luck运气短语-luckilyforsb.对某人来说幸运的是例句·Luckily,itdidn’trainandwecouldhavethepicnic.

幸运的是，天没下雨，我们可以去野餐。·Luckilyforhim,thebuscamejustashearrivedatthestop.

对他来说幸运的是，他刚到车站，公交车就来了。badly/ˈbædli/adv.严重地词性变换-adj.bad坏的短语-bebadlyhurt受重伤-wantbadly非常想要例句·Hewasbadlyhurtintheaccidentandwassenttothehospital.

他在事故中受了重伤，被送进了医院。·Iwantbadlytogototheconcertnextweek.

我非常想要去下周的演唱会。harm/hɑːm/n.&v.伤害；损害词性变换-adj.harmful有害的-adj.harmless无害的短语-doharmto对……有害-causeharm造成伤害例句·Smokingdoesgreatharmtoyourhealth.

吸烟对你的健康有很大危害。·Thechemicalmaycauseharmtotheenvironment.

这种化学物质可能会对环境造成危害。pill/pɪl/n.药丸；药片短语-takeapill吃药片-asleepingpill安眠药例句·Youshouldtakeapillbeforegoingtobedtohelpyousleep.

你睡前应该吃一片药来帮助睡眠。·Thedoctorgavehimsomepillsforhisheadache.

医生给了他一些治头痛的药片。harmful/ˈhɑːmfl/adj.有害的词性变换-n.harm伤害-adv.harmfully有害地短语-beharmfulto对……有害-harmfulsubstances有害物质例句·Toomuchsugarisharmfultoyourteeth.

过多的糖对你的牙齿有害。·Weshouldavoidusingharmfulsubstancesinourdailylife.

我们在日常生活中应该避免使用有害物质。hit/hɪt/v.(hit,hit)碰撞；击；打n.打；击；击中短语-hitsb.onthehead打某人的头-hitthetarget击中目标例句·Aballhithimontheheadwhilehewaswalkinginthepark.

他在公园散步时，一个球击中了他的头。·Thearrowhitthetargetexactlyinthecenter.

箭正中靶心。shock/ʃɒk/n.震惊；令人震惊的事v.使震惊；使惊愕词性变换-adj.shocked震惊的-adj.shocking令人震惊的短语-beshockedat对……感到震惊-inshock处于震惊中例句·Iwasshockedatthenewsofhisdeath.

我对他去世的消息感到震惊。·Theaccidentlefthiminshockandhecouldn’tspeakforalongtime.

事故让他陷入震惊，很久都说不出话。bleed/bliːd/v.(bled/bled/,bled)流血；出血词性变换-n.bleeding出血短语-bleedheavily大量出血-stopbleeding止血例句·Hisnosestartedtobleedafterhefelldown.

他摔倒后鼻子开始流血。·Weneedtostopthebleedingbeforetakinghimtothehospital.

送他去医院前我们需要先止血。check/tʃek/v.检查；查明n.检查；调查短语-checkin登记；报到-checkout结账离开；检查例句·Youshouldcheckinattheairporttwohoursbeforeyourflight.

你应该在航班起飞前两小时到机场办理登机手续。·Pleasecheckoutthedetailsoftheplanbeforewestart.

开始前请检查一下计划的细节。nervously/ˈnɜːvəsli/adv.紧张不安地词性变换-adj.nervous

紧张的-n.nervousness紧张短语-smilenervously紧张地笑-waitnervously紧张地等待例句·Shesmilednervouslybeforegoingonstagetogiveaspeech.

上台演讲前，她紧张地笑了笑。·Wearewaitingnervouslyfortheexamresults.

我们紧张地等待着考试结果。ExercisesUnit21.Ihavea__________（胃痛）,soIdon'twanttoeatanything.2.Youshouldgotoseea______（牙医）ifyouhaveatoothache.3.Washinghandsoftencanhelpprevent______（疾病）.4.The______（病毒）spreadquicklyinthesmallvillagelastmonth.5.Myfatherhasa______（背痛）becauseheworksinfrontofthecomputerallday.6.Weshoulddoourbesttoprotectthenatural__________（环境）.7.Thenursetookmytemperatureanddida______（检查）forme.stomachachedentistillnessvirusbackach根据句意及汉语或首字母提示完成单词。environment

check8.Smokingis_______（有害的）toourhealth.9.Hefelldownfromthebikeandhisarmstartedtob______