Unit 4 单词详解表 -2025-2026学年外研版英语八年级上册

该初中英语单元知识清单系统梳理了外研版八年级上册Unit 4的核心词汇，涵盖单词释义、常见搭配、考点提示及经典例句四大知识范畴，为学生搭建了从词汇基础认知到语境灵活应用的递进式学习支架。 清单采用“考点精准提示”与“生活情境例句”结合的方式呈现知识体系，如标注“except与besides用法区分”“payment可数不可数辨析”等语法要点，通过“digital camera”“mobile payment”等搭配链接现实场景，培养学生的语言能力和思维品质。特别设计“反义词对比”（如digital-analog）、“构词法解析”（如smartphone复合词）等模块，不同基础学生可高效掌握词汇应用，教师可直接借助例句设计互动教学，提升课堂实效。

外研版八年级上册Unit 4 单词详解表 单词 常见搭配 考点提示 经典例句 digital /ˈdɪdʒɪtl/ (adj. 数字的，数码的) digital camera（数码相机）；digital technology（数码技术）；digital screen（数字屏幕） 形容词，可作定语或表语；反义词为analog（模拟的） We live in a digital world now.This is a digital watch that can take photos. century /ˈsentʃəri/ (n. 世纪) in the 21st century（在21世纪）；a century ago（一个世纪前）；for centuries（数世纪以来） 可数名词，复数为centuries；序数词为century（序数词形式为the ...th century） Many great inventions appeared in the 20th century.People have lived here for centuries. forever /fəˈrevə/ (n. 极长的一段时间) for forever（很久）；last forever（永远持续） 不可数名词，也可作副词表“永远”（副词用法更常见）；注意与for ever区分，二者含义相同 It took forever to finish the work.Her memory will live forever in our hearts. smartphone /ˈsmɑːtfəʊn/ (n. 智能手机) a smartphone app（智能手机应用）；use a smartphone（使用智能手机）；smartphone camera（手机摄像头） 可数名词，复数为smartphones；由smart和phone构成的复合名词 I bought a new smartphone last month.Smartphones make our life more convenient. wallet /ˈwɒlɪt/ (n. 钱包) a leather wallet（皮钱包）；lose one’s wallet（丢钱包）；a wallet full of cash（装满现金的钱包） 可数名词，复数为wallets；美式拼写可写作billfold He took out his wallet to pay for the meal.My mother gave me a new wallet as a birthday gift. payment /ˈpeɪmənt/ (n. 支付，付款) make a payment（付款）；cash payment（现金支付）；online payment（在线支付） 可数/不可数名词，表“付款行为”时不可数，表“一笔付款”时可数；动词形式为pay（支付） You can make a payment by credit card.The payment for the house is due next month. cash /kæʃ/ (n. 现款，现金) pay in cash（用现金支付）；cash register（收银机）；withdraw cash（取现金） 不可数名词；形容词形式为cash（现金的），如cash payment Do you have enough cash to buy this book?He prefers to pay in cash rather than by card. app /æp/ (n. 应用程序，应用软件) a mobile app（手机应用）；download an app（下载应用）；social media app（社交媒体应用） 可数名词，复数为apps；是application的缩写形式 This app can help you learn English well.I have many useful apps on my phone. oven /ˈʌvn/ (n. 烤箱，烤炉) a microwave oven（微波炉）；an electric oven（电烤箱）；bake a cake in the oven（在烤箱里烤蛋糕） 可数名词，复数为ovens；相关短语oven-safe（可放入烤箱的） She baked bread in the oven this morning.We need to preheat the oven before cooking. except /ɪkˈsept/ (prep. 除……之外) except sb./sth.（除了某人/某物）；except for（除了……之外，表局部例外）；except when/if（除了当……时/如果） 介词，后接名词、代词、从句等；与besides区分，except表“排除在外”，besides表“包含在内” Everyone is here except Tom.Your composition is good except for a few spelling mistakes. convenient /kənˈviːniənt/ (adj. 方便的，便利的) be convenient for sb.（对某人来说方便）；a convenient time（方便的时间）；convenient transport（便利的交通） 形容词，可作定语或表语；副词形式为conveniently；名词形式为convenience（便利） Online shopping is very convenient for busy people.Is it convenient for you to meet tomorrow? development /dɪˈveləpmənt/ (n. 进步，发展) economic development（经济发展）；the development of science（科学的发展）；in development（在发展中） 不可数/可数名词，表“发展”时不可数，表“发展成果”时可数；动词形式为develop（发展；开发） The development of AI has changed our life greatly.We are proud of the development of our hometown. mobile /ˈməʊbaɪl/ (adj. 非固定的，移动式的) mobile phone（手机）；mobile store（移动商店）；mobile office（移动办公） 形容词，可作定语或表语；名词形式为mobility（移动性） Mobile payment is popular in China now.The hospital has a mobile clinic for the elderly. anywhere /ˈeniweə/ (adv. 任何地方，无论何处，随便哪里) go anywhere（去任何地方）；not anywhere（无处）；find it anywhere（在任何地方找到它） 副词，用于否定句、疑问句或条件句中，相当于somewhere（用于肯定句）；也可作代词表“任何地方” You can’t park your car anywhere here.If you need help, you can call me anywhere. a great deal (充裕，丰富) a great deal of + 不可数名词（大量的……）；a great deal（大量；非常） 固定短语，a great deal of后接不可数名词，a great deal可作副词短语修饰动词 She spent a great deal of money on books.He knows a great deal about history. via /ˈvaɪə/ (prep. 通过) via email（通过电子邮件）；via train（乘火车）；via the Internet（通过互联网） 介词，后接名词或代词，相当于by means of / through I sent the letter via air mail.We can communicate with each other via video call. progress /ˈprəʊɡres/ (n. 进步；进展) make progress（取得进步）；in progress（在进行中）；great progress（很大进步） 不可数名词，不能用a/an修饰；动词形式为progress（进步；进展），为不及物动词 He has made great progress in English this term.The project is in progress now. offline /ˌɒfˈlaɪn/ (adj. 联网的，不在线的) offline shopping（线下购物）；work offline（离线工作）；go offline（下线） 形容词/副词，反义词为online（在线的）；可作表语或定语 I prefer offline shopping because I can touch the goods.The game can be played offline. nowadays /ˈnaʊədeɪz/ (adv. 现今，现时) nowadays（置于句首/句中/句末）；people nowadays（现在的人们） 副词，常用于一般现在时，描述当前的情况 Nowadays, more and more people like to travel abroad.People use smartphones everywhere nowadays. simply /ˈsɪmpli/ (adv. 只是，只要) simply because（只是因为）；simply do sth.（只是做某事）；not simply...but also...（不仅……而且……） 副词，可修饰形容词、副词、动词或句子；形容词形式为simple（简单的） I like the house simply because it is big.It is simply a matter of time. save /seɪv/ (v. 节省，节约) save time（节省时间）；save money（省钱）；save energy（节约能源） 及物动词；也可表“拯救；储存”（save a life；save files） We should save water in daily life.Using public transport can save money and time. advantage /ədˈvɑːntɪdʒ/ (n. 好处，优点) have an advantage over（比……有优势）；take advantage of（利用）；advantages and disadvantages（优缺点） 可数名词，复数为advantages；反义词为disadvantage（缺点） Online learning has many advantages.He has an advantage over others in English. effect /ɪˈfekt/ (n. 效应；影响；结果) have an effect on（对……有影响）；side effect（副作用）；cause and effect（因果） 可数/不可数名词，表“影响”时常用单数形式；与affect区分，affect为动词（影响） The weather has a great effect on crops.This medicine has no side effects. glue /ɡluː/ (v. 胶合，粘合，粘贴) glue sth. to sth.（把某物粘到某物上）；glue two pieces of paper together（把两张纸粘在一起） 及物动词；也可作名词表“胶水”（不可数名词），a bottle of glue（一瓶胶水） She glued the photo to the cover of the book.Use some glue to fix the broken cup. be glued to sth (盯着某物看) be glued to the TV（盯着电视看）；be glued to the phone（盯着手机看） 固定短语，常用于被动形式，表“全神贯注于某物” The children were glued to the cartoon on TV.He was glued to his phone all day long. strange /streɪndʒ/ (adj. 奇怪的，不寻常的；不可思议的) a strange noise（奇怪的声音）；feel strange（感到奇怪）；strange to say（说来奇怪） 形容词，可作定语或表语；副词形式为strangely；名词形式为strangeness（奇怪） I heard a strange sound in the night.It’s strange that he didn’t come to school today. throw /θrəʊ/ (v. 投，扔，抛，掷) throw sth. away（扔掉某物）；throw sth. to sb.（把某物扔给某人）；throw a ball（扔球） 不规则动词，过去式threw，过去分词thrown；throw away为动副短语，代词作宾语放中间 Don’t throw away the old books.He threw a stone into the river. guess /ɡes/ (v. 猜，猜测) guess the answer（猜答案）；guess at sth.（猜测某事）；I guess（我猜，用于口语） 及物/不及物动词；也可作名词表“猜测”（make a guess） Can you guess how old she is?I guess he will come to the party. anyone /ˈeniwʌn/ (pron. 有人，任何人) anyone else（其他人）；Is anyone here?（有人在吗？）；not anyone（没有人） 不定代词，用于否定句、疑问句或条件句中，相当于someone（用于肯定句）；后接形容词需后置 Does anyone know the answer to this question?Anyone can join the club if they want to. bedroom /ˈbedruːm/ (n. 卧室) a big bedroom（大卧室）；in the bedroom（在卧室里）；bedroom furniture（卧室家具） 可数名词，复数为bedrooms；由bed和room构成的复合名词 My bedroom is on the second floor.She decorated her bedroom with pink walls. homework /ˈhəʊmwɜːk/ (n. 家庭作业，功课) do homework（做作业）；finish homework（完成作业）；English homework（英语作业） 不可数名词，不能用a/an修饰，也无复数形式；常用搭配do one’s homework I have a lot of homework to do tonight.She does her homework carefully every day. ( 1 ) 学科网（北京）股份有限公司 $