资源简介 (共41张PPT)Unit 4 Helping out八年级外研版2024下单词解析一1.excuse(动词)原谅[用法讲解]excuse还可为名词,译为"借口,理由".Eg:Please excuse my rudeness.请原谅我的无礼。That's a poor excuse for not doing your homework.那是你不做作业的拙劣借口。[常见搭配]excuse me劳驾(用于礼貌打断,道歉或引起注意)make an excuse找借口Eg: Excuse me, could you tell me the time 打扰一下,请问现在几点 He always makes excuses for being late.他总是为迟到找借口。[派生词]excusable为形容词,译为"可原谅的".Eg: His mistake was excusable given the pressure he was under at the time.考虑到他当时承受的压力,他的错误是可以原谅的。[即学即用]请原谅我,我只是在看漫画书为我的绘画作业寻找灵感。Please________ ________, I was just looking at the comic book to find some inspiration for my painting homework.excuse me2.purple(形容词)紫色的[用法讲解]purple作形容词时在句中常作定语或表语;purple还可为名词,译为"紫色".Eg: She wore a purple dress to the party.她穿了一条紫色的裙子参加派对。The flowers are purple.这些花是紫色的。My favourite colour is purple.我最喜欢的颜色是紫色。[常见搭配]light/ dark purple浅/深紫色in purple穿着紫色Eg: The flowers are light purple.这些花是浅紫色的。The room was decorated in purple.房间以紫色装饰。[即学即用]________(紫色)is often associated with luxury.Purple3.crayon(名词)彩色蜡笔[用法讲解]crayon为可数名词,其复数形式为crayons.Eg:Thechild drew a sun with a yellow crayon.孩子用黄色蜡笔画了一个太阳。[常见搭配]a box of crayons一盒蜡笔crayon drawing蜡笔画Eg: He bought a box of crayons for his daughter.他给女儿买了一盒蜡笔。Her crayon drawing won first prize in the competition.她的蜡笔画在比赛中获得了一等奖。[即学即用]She prefers __________(蜡笔)to markers because they're less messy.crayons4.five-year-old(形容词)五岁的[用法讲解]"five-year-old"为复合形容词,用于描述某个具体特定年龄特征的人或物,相当于一个形容词短语,在句中位于名词前作定语。Eg: The little girl is a five-year-old child.这个小女孩是个五岁大的孩子。[知识拓展]"数字years old"为短语,用于表示某人的具体年龄,需要注意years必须为复数形式,表示年数,在句中常位于be动词后作表语。Eg: She is 25 years old.她25岁。[即学即用]( ) He won a gold medal in the Olympic Games, but he was just_______then.A.at the age of 17 years B.a 17-year-old boyC. a 17 years old boy D. a 17 - years - old boyB5.sunshine(名词)阳光[用法讲解]sunshine为不可数名词。Eg: The sunshine warmed the cold winter morning.阳光温暖了寒冷的冬日早晨。[常见搭配]a ray of sunshine一缕阳光spread sunshine传播快乐Eg:Your kindness was a ray of sunshine during my difficult time.你的善意是我困难时期的一缕阳光。She always spreads sunshine wherever she goes.她走到哪里都能传递快乐。[即学即用]The room was filled with__________(阳光).sunshine6.virus(名词)病毒[用法讲解]virus为可数名词,其复数形式为viruses.Eg: The virus spreads through droplets.这种病毒通过飞沫传播。[常见搭配]flu spread流感contract a virus感染病毒virus transmission病毒传播Eg: The flu virus spreads quickly in winter.流感病毒在冬季传播很快。She contracted a rare virus while traveling.她在旅行时感染了一种罕见病毒。Handwashing reduces virus transmission.洗手能减少病毒传播。[即学即用]My computercrashed because of a ________(病毒).virus7.afford(动词)买得起,付得起[用法讲解]afford即可表示(经济上)负担得起,也可指(时间/能力上)能够做某事,还可译为"提供,给予",常与can/ can't/ could/ couldn't搭配。Eg: I can't afford a new phone right now.我现在买不起新手机。She can't afford to miss another deadline.她不能再错过截止日期了。The window affords a beautiful view of the mountains.这扇窗户能看到山景。[常见搭配]can/ can't afford sth.买得起/买不起某物afford to do sth.有能力做某事Eg: Only a few people can afford luxury watches.只有少数人买得起奢侈手表。She can't afford to travel abroad this year.她今年没钱去国外旅行。[派生词] affordable为形容词,译为"负担得起的,价格合理的".Eg: The local government launched a project to build more affordable housing for low - income families.当地政府启动了一个项目,为低收入家庭建造更多经济适用房。[即学即用]With the new salary raise, she can finally a__________the apartment downtown that she's been eyeing for months.fford8.disappointment(名词)失望,扫兴,沮丧[用法讲解] disappointment常为不可数名词,但在表示"令人失望的人或事物"时为可数名词。Eg: She hid her disappointment with a smile.她用微笑掩饰失望。The movie was a big disappointment.这部电影令人大失所望。[常见搭配] to one's disappointment某人失望的是disappointment at/ over/ about sth.对某事的失望Eg: To my disappointment, the concert was canceled.令我失望的是,音乐会被取消了。There was widespread disappointment at the election results.对这个选举结果得到广泛的失望。[派生词] disappoint为动词,译为"使失望,使落空";disappointed为形容词,译为"失望的,沮丧的";disappointing为形容词,译为"令人失望的,扫兴的".Eg:Thesudden change of weather disappointed the hikers, who had planned to reach the mountain top and watch the sunrise.天气突变打乱了徒步旅行者的计划,他们原本打算登顶看日出,这下愿望落空了。The little boy looked disappointed when he opened the gift box and found it wasn't the toy robot he had begged for.小男孩打开礼盒,发现里面不是他一直央求的玩具机器人,脸上露出了失望的神情。Therestaurant's disappointing service overshadowed the delicious food, making most customers decide not to come back.这家餐厅令人失望的服务盖过了美食的风头,让大多数顾客决定不再光顾。[即学即用]Lifeis full of small_____________(disappoint), like missing the last bus or burning your favorite dish, but they teach us to stay resilient.disappointments9.X-ray(名词)X光检查[用法讲解] X-ray还可为动词,译为"用X光检查";X-ray也可为形容词,译为"X光的".Eg: The X- ray technician operates the X- ray equipment.这位X光技师操作X光设备。They X - rayed the ancient vase to study its internal structure.他们对这个古代花瓶进行了X光检查以研究其内部结构。[常见搭配]take an X-ray 给...做X光检查Eg: The doctor will take an X - ray of your leg.医生将给你的腿做X光检查。[即学即用]I need to have an__________(X光照片)for my injured arm.X-ray10.treatment(名词)治疗,诊治,疗法[用法讲解] treatment为可数名词,其复数形式为treatments,还可译为"处理,对待".Eg: The new treatment for cancer shows promising results.这种新型癌症疗法效果显著。The treatment of wastewater is crucial for the environment.废水处理对环境至关重要。[常见搭配]medical treatment医疗治疗treatment plan治疗方案Eg: Access to proper medical treatment is a basic right.获得适当的医疗是基本权利。Thedoctor discussed the treatment plan with the patient.医生与患者讨论了治疗方案。[派生词]treat为动词,译为"治疗,对待".Eg: The veterinarian will treat the injured stray dog with antibiotics and clean its wound carefully to prevent infection.兽医会用抗生素治疗这只受伤的流浪狗,还会仔细清理它的伤口以防感染。[即学即用]She is receiving_________(treat) for her illness.treatment11.pocket(名词)衣袋,口袋[用法讲解]pocket为可数名词,其复数形式为pockets;pocket还可为形容词,译为"袖珍的";pocket还可为动词,译为"把...装入口袋,侵吞".Eg: He kept his phone in his front pocket.他把手机放在前袋里。She carries a pocket mirror in her purse.她钱包里放着以免袖珍镜子。Thewaiter pocketed the tipwithout thanking us.服务员默默把小费装进了口袋。[常见搭配]pick one's pocket扒窃pocket money零用钱out of pocket自掏腰包deep pocket财力雄厚的人/组织in one's pocket受某人控制line one's pockets中饱私囊Eg: Be careful in crowded places thieves might pick your pocket.在拥挤的地方要小心,可能有小偷扒窃。My parents give me &5 pocket money every week.父母每周给我5美元零花钱。I was out of pocket $ 50 after the event.活动后我自掏腰包了50美元。The project needs a deep pocket to fund it.这个项目需要财力雄厚的支持者。Thecorrupt official was in the businessman's pocket.哪个腐败官员被商人控制了。The manager was accused of lining his pockets with company funds.经理被指控用公司资金中饱私囊。[即学即用]1.He put his keys in his_________(口袋).2.她攒零花钱买了本漫画书。She saved her________________to buy a comic book.pocketpocket money12.illness(名词)病,疾病[用法讲解] illness常为不可数名词,但在表示"具体的疾病类型"时为可数名词,其复数形式为illnesses.Eg: She is recovering from a serious illness.她正在从重病中康复。Chronic illnesses like diabetes require lifelong management.糖尿病等慢性病需终身管理。[常见搭配]suffer from an illness患(某种)疾病recover from an illness从疾病中康复Eg: She has been suffering from a chronic illness for years.她多年来一直患有一种慢性疾病。He is slowly recovering from his illness.他正在慢慢从疾病中康复。[派生词]ill为形容词,译为"生病的,不健康的".Eg: She looks ill. You should take her to the doctor.她看起来生病了。你应该带她去看医生。[易混辨析] illness与disease区别:illness侧重描述身体或心理上处于不健康的状态,不一定有明确的病因或病理特征;disease通常指具体的,有明确病理特征和病因的疾病,强调医学上的专业性和严重性。Eg: He took a leave of absence because of illness.他因生病请假了。Cancer is a serious disease that affects many people worldwide.癌症是一种严重影响全球许多人的严重疾病。[即学即用]He has been suffering from a serious_________(ill) for months.illness13.wheelchair(名词)轮椅[用法讲解]wheelchair为可数名词,其复数形式为wheelchairs.Eg: The hospital provides wheelchairs for patients with mobility issues.医院为行动不便的患者提供轮椅。[即学即用]After the accident, he used a____________(轮椅)for three months.wheelchair14.public(形容词)公众的,大众的[常见搭配] public还可为不可数名词,译为"公众,民众".Eg: This is a public park, so everyone can enter it for free.这是一个公共公园,所以每个人都可以免费进入。Thegovernment should consider the opinions of the public.政府应该考虑公众的意见。[常见搭配]in public在公共场合public figure公众人物public service公共服务public facility公共设施go public公开,公之于众Eg: She rarely sings in public due to stage fright.她因怯场很少在公共场合唱歌。As a public figure, her comments often influence social opinions.作为公众人物,她的言论常影响社会观点。Working in public service requires a strong sense of responsibility.从事公共服务需要强烈的责任感。The city invested in improving public facility.市政府投资改善公共设施。The government decided to go public with the investigation results.政府决定公开调查结果。[派生词] publicity为名词,译为"宣传,公开".Eg:There has been lots of advance publicity for her new film.她的新电影尚未上映即大加宣传。[即学即用]他们决定公开此事,令媒体震惊。Their decision to______________shocked the media.go public15.mention(动词)提到,说起,谈到[用法讲解]mention还可为名词,译为"提及,说起".Eg: John mentioned her name in the speech.约翰在演讲中提到了她的名字。Don't mention it before the children.不要在孩子面前提及此事。The report makes a detailed mention of the challenges faced by the company.这份报告详细提到了公司面临的挑战。[常见搭配]mention sth. to sb. = mention to sb.that从句向某人提及某物mention doing sth.提及做某事Don't mention it.不客气。make a mention of...提到,提及without mention未提及,没有说到Eg: He didn't mention anything to me.他没有向我提到任何事。She mentioned to me that she was going on vacation.她向我提及她要去度假。She mentioned doing her homework every day.她提到她每天做作业。In his speech, he made a mention of the environmental problems.在他的演讲中,他提到了环境问题。He left the room without mention of where he was going.他离开了房间,没有说他要去哪里。[即学即用]He mentioned_________(visit) Paris last year.visitingThanks!21世纪教育网(www.21cnjy.com)中小学教育资源网站有大量高质量资料?一线教师?一线教研员?欢迎加入21世纪教育网教师合作团队!!月薪过万不是梦!!详情请看:https://www.21cnjy.com/help/help_extract.php/ 让教学更有效 英语学科Unit 4 Helping out 单词解析一1.excuse(动词)原谅[用法讲解] excuse还可为名词,译为"借口,理由".Eg:Please excuse my rudeness.请原谅我的无礼。That's a poor excuse for not doing your homework.那是你不做作业的拙劣借口。[常见搭配] excuse me 劳驾(用于礼貌打断,道歉或引起注意)make an excuse 找借口Eg: Excuse me, could you tell me the time 打扰一下,请问现在几点 He always makes excuses for being late.他总是为迟到找借口。[派生词] excusable为形容词,译为"可原谅的".Eg: His mistake was excusable given the pressure he was under at the time.考虑到他当时承受的压力,他的错误是可以原谅的。[即学即用]请原谅我,我只是在看漫画书为我的绘画作业寻找灵感。Please________ ________, I was just looking at the comic book to find some inspiration for my painting homework.答案:excuse me2.purple(形容词)紫色的[用法讲解] purple作形容词时在句中常作定语或表语;purple还可为名词,译为"紫色".Eg: She wore a purple dress to the party.她穿了一条紫色的裙子参加派对。The flowers are purple.这些花是紫色的。My favourite colour is purple.我最喜欢的颜色是紫色。[常见搭配]light/ dark purple 浅/深紫色in purple 穿着紫色Eg: The flowers are light purple.这些花是浅紫色的。The room was decorated in purple.房间以紫色装饰。[即学即用]________(紫色)is often associated with luxury.答案:Purple3.crayon(名词)彩色蜡笔[用法讲解] crayon为可数名词,其复数形式为crayons.Eg: The child drew a sun with a yellow crayon.孩子用黄色蜡笔画了一个太阳。[常见搭配] a box of crayons 一盒蜡笔crayon drawing 蜡笔画Eg: He bought a box of crayons for his daughter.他给女儿买了一盒蜡笔。Her crayon drawing won first prize in the competition.她的蜡笔画在比赛中获得了一等奖。[即学即用]She prefers __________(蜡笔)to markers because they're less messy.答案:crayons4.five-year-old(形容词)五岁的[用法讲解]"five-year-old"为复合形容词,用于描述某个具体特定年龄特征的人或物,相当于一个形容词短语,在句中位于名词前作定语。Eg: The little girl is a five-year-old child.这个小女孩是个五岁大的孩子。[知识拓展]"数字years old"为短语,用于表示某人的具体年龄,需要注意years必须为复数形式,表示年数,在句中常位于be动词后作表语。Eg: She is 25 years old.她25岁。[即学即用]( ) He won a gold medal in the Olympic Games, but he was just_______then.A.at the age of 17 years B.a 17-year-old boyC. a 17 years old boy D. a 17 - years - old boy答案:B5.sunshine(名词)阳光[用法讲解] sunshine为不可数名词。Eg: The sunshine warmed the cold winter morning.阳光温暖了寒冷的冬日早晨。[常见搭配] a ray of sunshine 一缕阳光spread sunshine 传播快乐Eg: Your kindness was a ray of sunshine during my difficult time.你的善意是我困难时期的一缕阳光。She always spreads sunshine wherever she goes.她走到哪里都能传递快乐。[即学即用]The room was filled with__________(阳光).答案:sunshine6.virus(名词)病毒[用法讲解] virus为可数名词,其复数形式为viruses.Eg: The virus spreads through droplets.这种病毒通过飞沫传播。[常见搭配] flu spread 流感contract a virus 感染病毒virus transmission 病毒传播Eg: The flu virus spreads quickly in winter.流感病毒在冬季传播很快。She contracted a rare virus while traveling.她在旅行时感染了一种罕见病毒。Handwashing reduces virus transmission.洗手能减少病毒传播。[即学即用]My computer crashed because of a ________(病毒).答案:virus7.afford(动词)买得起,付得起[用法讲解] afford即可表示(经济上)负担得起,也可指(时间/能力上)能够做某事,还可译为"提供,给予",常与can/ can't/ could/ couldn't搭配。Eg: I can't afford a new phone right now.我现在买不起新手机。She can't afford to miss another deadline.她不能再错过截止日期了。The window affords a beautiful view of the mountains.这扇窗户能看到山景。[常见搭配] can/ can't afford sth. 买得起/买不起某物afford to do sth. 有能力做某事Eg: Only a few people can afford luxury watches.只有少数人买得起奢侈手表。She can't afford to travel abroad this year.她今年没钱去国外旅行。[派生词] affordable为形容词,译为"负担得起的,价格合理的".Eg: The local government launched a project to build more affordable housing for low - income families.当地政府启动了一个项目,为低收入家庭建造更多经济适用房。[即学即用]With the new salary raise, she can finally a__________the apartment downtown that she's been eyeing for months.答案:afford8.disappointment(名词)失望,扫兴,沮丧[用法讲解] disappointment常为不可数名词,但在表示"令人失望的人或事物"时为可数名词。Eg: She hid her disappointment with a smile.她用微笑掩饰失望。The movie was a big disappointment.这部电影令人大失所望。[常见搭配] to one's disappointment某人失望的是disappointment at/ over/ about sth. 对某事的失望Eg: To my disappointment, the concert was canceled.令我失望的是,音乐会被取消了。There was widespread disappointment at the election results.对这个选举结果得到广泛的失望。[派生词] disappoint为动词,译为"使失望,使落空";disappointed为形容词,译为"失望的,沮丧的";disappointing为形容词,译为"令人失望的,扫兴的".Eg: The sudden change of weather disappointed the hikers, who had planned to reach the mountain top and watch the sunrise.天气突变打乱了徒步旅行者的计划,他们原本打算登顶看日出,这下愿望落空了。The little boy looked disappointed when he opened the gift box and found it wasn't the toy robot he had begged for.小男孩打开礼盒,发现里面不是他一直央求的玩具机器人,脸上露出了失望的神情。The restaurant's disappointing service overshadowed the delicious food, making most customers decide not to come back.这家餐厅令人失望的服务盖过了美食的风头,让大多数顾客决定不再光顾。[即学即用]Life is full of small_____________(disappoint), like missing the last bus or burning your favorite dish, but they teach us to stay resilient.答案:disappointments9.X-ray(名词)X光检查[用法讲解] X-ray还可为动词,译为"用X光检查";X-ray也可为形容词,译为"X光的".Eg: The X- ray technician operates the X- ray equipment.这位X光技师操作X光设备。They X - rayed the ancient vase to study its internal structure.他们对这个古代花瓶进行了X光检查以研究其内部结构。[常见搭配] take an X-ray 给...做X光检查Eg: The doctor will take an X - ray of your leg.医生将给你的腿做X光检查。[即学即用]I need to have an__________(X光照片)for my injured arm.答案:X-ray10.treatment(名词)治疗,诊治,疗法[用法讲解] treatment为可数名词,其复数形式为treatments,还可译为"处理,对待".Eg: The new treatment for cancer shows promising results.这种新型癌症疗法效果显著。The treatment of wastewater is crucial for the environment.废水处理对环境至关重要。[常见搭配] medical treatment 医疗治疗treatment plan 治疗方案Eg: Access to proper medical treatment is a basic right.获得适当的医疗是基本权利。The doctor discussed the treatment plan with the patient.医生与患者讨论了治疗方案。[派生词]treat为动词,译为"治疗,对待".Eg: The veterinarian will treat the injured stray dog with antibiotics and clean its wound carefully to prevent infection.兽医会用抗生素治疗这只受伤的流浪狗,还会仔细清理它的伤口以防感染。[即学即用]She is receiving_________(treat) for her illness.答案:treatment11.pocket(名词)衣袋,口袋[用法讲解] pocket为可数名词,其复数形式为pockets;pocket还可为形容词,译为"袖珍的";pocket还可为动词,译为"把...装入口袋,侵吞".Eg: He kept his phone in his front pocket.他把手机放在前袋里。She carries a pocket mirror in her purse.她钱包里放着以免袖珍镜子。The waiter pocketed the tip without thanking us.服务员默默把小费装进了口袋。[常见搭配] pick one's pocket 扒窃pocket money 零用钱out of pocket 自掏腰包deep pocket 财力雄厚的人/组织in one's pocket 受某人控制line one's pockets 中饱私囊Eg: Be careful in crowded places thieves might pick your pocket.在拥挤的地方要小心,可能有小偷扒窃。My parents give me &5 pocket money every week.父母每周给我5美元零花钱。I was out of pocket $ 50 after the event.活动后我自掏腰包了50美元。The project needs a deep pocket to fund it.这个项目需要财力雄厚的支持者。The corrupt official was in the businessman's pocket.哪个腐败官员被商人控制了。The manager was accused of lining his pockets with company funds.经理被指控用公司资金中饱私囊。[即学即用]1.He put his keys in his_________(口袋).2.她攒零花钱买了本漫画书。She saved her________________to buy a comic book.答案:1.pocket 2.pocket money12.illness(名词)病,疾病[用法讲解] illness常为不可数名词,但在表示"具体的疾病类型"时为可数名词,其复数形式为 illnesses.Eg: She is recovering from a serious illness.她正在从重病中康复。Chronic illnesses like diabetes require lifelong management.糖尿病等慢性病需终身管理。[常见搭配] suffer from an illness 患(某种)疾病recover from an illness 从疾病中康复Eg: She has been suffering from a chronic illness for years.她多年来一直患有一种慢性疾病。He is slowly recovering from his illness.他正在慢慢从疾病中康复。[派生词]ill为形容词,译为"生病的,不健康的".Eg: She looks ill. You should take her to the doctor.她看起来生病了。你应该带她去看医生。[易混辨析] illness与disease区别:illness侧重描述身体或心理上处于不健康的状态,不一定有明确的病因或病理特征;disease通常指具体的,有明确病理特征和病因的疾病,强调医学上的专业性和严重性。Eg: He took a leave of absence because of illness.他因生病请假了。Cancer is a serious disease that affects many people worldwide.癌症是一种严重影响全球许多人的严重疾病。[即学即用]He has been suffering from a serious_________(ill) for months.答案:illness13.wheelchair(名词)轮椅[用法讲解]wheelchair为可数名词,其复数形式为wheelchairs.Eg: The hospital provides wheelchairs for patients with mobility issues.医院为行动不便的患者提供轮椅。[即学即用]After the accident, he used a____________(轮椅)for three months.答案:wheelchair14.public(形容词)公众的,大众的[常见搭配] public还可为不可数名词,译为"公众,民众".Eg: This is a public park, so everyone can enter it for free.这是一个公共公园,所以每个人都可以免费进入。The government should consider the opinions of the public.政府应该考虑公众的意见。[常见搭配] in public 在公共场合public figure 公众人物public service 公共服务public facility 公共设施go public 公开,公之于众Eg: She rarely sings in public due to stage fright.她因怯场很少在公共场合唱歌。As a public figure, her comments often influence social opinions.作为公众人物,她的言论常影响社会观点。Working in public service requires a strong sense of responsibility.从事公共服务需要强烈的责任感。The city invested in improving public facility.市政府投资改善公共设施。The government decided to go public with the investigation results.政府决定公开调查结果。[派生词] publicity为名词,译为"宣传,公开".Eg: There has been lot s of advance publicity for her new film.她的新电影尚未上映即大加宣传。[即学即用]他们决定公开此事,令媒体震惊。Their decision to______________shocked the media.答案:go public15.mention(动词)提到,说起,谈到[用法讲解] mention还可为名词,译为"提及,说起".Eg: John mentioned her name in the speech.约翰在演讲中提到了她的名字。Don't mention it before the children.不要在孩子面前提及此事。The report makes a detailed mention of the challenges faced by the company.这份报告详细提到了公司面临的挑战。[常见搭配] mention sth. to sb. = mention to sb.that从句 向某人提及某物mention doing sth. 提及做某事Don't mention it. 不客气。make a mention of... 提到,提及without mention 未提及,没有说到Eg: He didn't mention anything to me.他没有向我提到任何事。She mentioned to me that she was going on vacation.她向我提及她要去度假。She mentioned doing her homework every day.她提到她每天做作业。In his speech, he made a mention of the environmental problems.在他的演讲中,他提到了环境问题。He left the room without mention of where he was going.他离开了房间,没有说他要去哪里。[即学即用]He mentioned_________(visit) Paris last year.答案:visiting21世纪教育网(www.21cnjy.com) 展开更多...... 收起↑ 资源列表 Unit 4 Helping out 单词解析一.docx Unit 4 Helping out 单词解析一.pptx