初中英语新人教版八年级上册Unit 4 Amazing Plants and Animals单词解析（B部分）（2025秋）.doc

1、八年级英语上册Unit 4单词解析（B部分）1.Frog (名词) 蛙、青蛙【用法讲解】 frog为可数名词，其复数形式为frogs。Eg: A frog lives both on land and in water. 青蛙既生活在陆地上也生活在水里。【常见搭配】 frog in ones throat 喉咙不清、喉咙哑Eg: I have a frog in my throat this morning. 今天早上我喉咙哑了。【即学即用】1._ (frog) eat pests which destroy crops and carry diseases.答案： Frogs2.Weigh

2、(动词) 有.重、称重量Eg: Weigh the fish, please. 请称一下这条鱼。The package weighs 5 kilograms.这个包裹重5公斤。【常见搭配】 weigh on sb. 使某人烦恼Weigh in on sth. 对某事发表意见Weigh with sb. 对某人重要Weigh down 压垮/压抑Weigh against 权衡或不利影响Eg: The pressure weighed heavily on his shoulders. 压力重重压在他的肩上。She weighed in on the debate. 她参与了辩论。It weig

3、hs heavily with me. 它对我非常重要。The presents weigh down the branches of the Christmas tree. 礼物压弯了圣诞树的树枝。The mistakes will weigh against you. 这些错误会对你不利。【派生词】 weight为名词，译为“重量”。Eg: The weight of the box is two kg. 这个盒子的重量是两公斤。【常见搭配】 put on weight 增加体重Lose weight 减轻体重In weight 重量上 Eg: Im forever on a diet,

4、since I put on weight easily. 我永远都在减肥，因为我容易长胖。She is trying to lose weight. 她正在设法减肥。Its smaller in size but greater in weight. 它体积比较小，但分量比较重。【即学即用】1.Please _ (weight) the bags on the scales. 请在磅秤上称一下这些袋子。答案： weigh3.Kg ( = kilogram) 千克、公斤Eg: The average weight was 67.0 kg. 平均体重为67千克。4.Ginkgo (名词) 银杏【

5、用法讲解】 ginkgo为可数名词，其复数形式为ginkgoes。Eg: There are so many old ginkgo trees beside the village. 村庄旁有许多古老的银杏树。Ginkgoes come in two sexes. 银杏树分雌雄两性。【即学即用】1._ (ginkgo) are large trees.答案：Ginkgoes5.Province (名词) 省份【用法讲解】 province为可数名词，其复数形式为provinces。Eg: The province is heavily forested and sparsely populat

6、ed. 该省森林茂密，人烟稀少。【常见搭配】 in the provinces 在地方上/在乡下Eg: Life in the provinces is much slower - paced than in the city. 乡下的生活节奏比城市里慢得多。【即学即用】1.There are 23 _ (province) in China.答案：provinces6.Take a walk 散步【同义词】 go for a walk = take a walk 去散步Eg: Lets take a walk in the park after dinner.= Lets go for a

7、walk in the park after dinner.晚饭后我们去公园散散步吧。【即学即用】1.She takes a walk every afternoon.(改为同义句)She _ _ _ _.答案：goes for a walk7.Connect (动词) 关联、连接Eg: The new bridge will connect the two sides of the river. 这座桥将连接河流的两岸。【常见搭配】 connect with 与.联系Connect to. 连接到.Connect A with/ to B 把A和B连接起来Be connected with/

8、 to . 与.相连、与.有关联Eg: You can connect with me on social media. 你可以在社交媒体上与我联系。Connect your laptop to the Wi -Fi network.把你的笔记本电脑连接到无线网络上。The canal was built to connect Sheffield with the Humber estuary.修建这条运河是为了将设菲尔德和亨伯河河口连接起来。The man must be connected with the accident. 这个男人一定和这场事故有关。【派生词】 Connected为形

9、容词，译为“连接的、相关的”;Connection为名词，译为“联系、连接”。Eg: The two subjects are closely connected. 这两门学科紧密相连。Im having problems with my Internet connection. 我的互联网连接有问题。【即学即用】1.She used her _ (connect) to full advantage.2.它帮助人们与他人建立联系。It helps people _ _ others.答案：1.connection 2.connect with8.Without (介词) 没有、缺乏【常见搭配

10、】 without doing sth. 没有做某事Eg: She went to the store without her wallet. 她去商店时没有带钱包。She went to school without having breakfast. 她没吃早饭就去上学了。【派生词】 with为介词，译为“有、长着、带有”等。Eg: This is a girl with big eyes. 这是一个长着大眼睛的女孩。China is a country with long history. 中国是一个有着悠久历史的国家。【即学即用】1.She finished the work with

11、out _ (ask) for help.答案：asking9.Imagine (动词) 想象、猜想【用法讲解】 imagine后面可接名词、代词、动名词（doing）、that从句或介词短语。Eg: Can you imagine Tom cooking dinner for twenty people?你能想象出汤姆为20个人做饭的样子吗？I imagine the ship very large. 我想象那船很大。Imagine yourself sitting on the beach in the sun.设想你自己正坐在海滩上晒太阳。【常见搭配】 imagine as. 把.当作E

12、g: I had imagined you as a big tall man. 我原猜想你是个身材高大的人。【派生词】 imagination为名词，译为“想象力”Eg: His writing lacks imagination. 他的作品缺乏想象。【即学即用】( )1.I cant imagine _ like that.I would go crazy.A.lie B.lying C.to lie D.lied答案：B10.Honey (名词) 蜂蜜、（爱称）亲爱的【用法讲解】 honey指蜂蜜时为不可数名词。Eg: I like adding honey to my tea. 我喜欢

13、在茶里加蜂蜜。Good morning, Honey! 早上好，亲爱的。11.Disappointed (形容词) 失望的、沮丧的【用法讲解】 disappointed在句中常位于be动词之后作表语，常常用来修饰人。Eg: The results disappointed our hopes. 结果使我们的希望破灭。【常见搭配】 be disappointed with/ in sb. 对某人失望Be disappointed at/ about sth. 对某事失望Be disappointed of. 因得不到某物或实现布料某愿望而失望Be disappointed to do sth.

14、失望做某事Be disappointed that 从句 对.感到失望Eg: Im disappointed in you! 你让我失望了！We are all disappointed at this failure. 我们都为他的失败感到失望。I was disappointed of the car. 没等到车子我感到很失望。He was disappointed to hear the news. 听到这个消息他很失望。We were disappointed that you couldnt come. 我没被选中，感到很沮丧。【派生词】 disappointing为形容词，译为“令

15、人失望的”，用来修饰物；Disappoint为动词，译为“使失望”；disappointment为名词，译为“失望”。Eg: In summary, this was a disappointing performance. 总的说来，这场演出令人失望。His latest novel does not disappoint. 他最近发表的这部小说没有使人失望。I always felt I was a disappointment to my father. 我总觉得我使父亲失望了。【即学即用】1.When he came back, his _ look on his face, he f

16、ailed in the interview.A.disappointed B.disappointing C.disappoint D.disappointment答案：A12.Pollination (名词) 授粉【用法讲解】pollination为不可数名词。Eg: The pollination of flowers is essential for the reproduction of plants. 花的授粉对植物的繁殖至关重要。【派生词】 Pollen为可数名词，译为“花粉”，其复数形式为pollens；pollinate为动词，译为“授粉”。Eg: Seeds and pol

17、len are spread by the wind. 种子和花粉是随风传播的。Insects are important for pollinating flowers. 昆虫对花的授粉很重要。【即学即用】1.Farmers often use artificial _ (pollinate) to increase crop yields.答案：pollination13.Action (名词) 行动、行为【用法讲解】 action在表示具体的行动、行为时为可数名词，其复数形式为actions；在表示抽象的概念或状态时为不可数名词。Eg: The police are investigat

18、ing several actions in connection with the robbery.警方正在调查与抢劫案有关的几起行动。There was a lack of action on the part of the authorities. 当局在行动上存在缺失。【常见搭配】 in action 在行动中Out of action 失去作用Take action 采取行动Action speak louder than words. 事实胜于雄辩。Eg: The machine is now in action . 机器正在运转。The engine is out of acti

19、on. 发动机出了故障。She took immediate action to resolve the problem. 她立即采取行动解决问题。【派生词】 act为动词，译为“扮演、充当、起作用”；Active为形容词，译为“活跃的、活泼的”；activity为名词，译为“活动”；Actor为名词，译为“男演员”；actress为名词，译为“女演员”。【常见搭配】 act out 表演出来Eg: Get pairs of students to act out the dialogue in front of the class.叫学生两人一组在课堂上演出这个对话。【即学即用】( )1.T

20、his _ would not be in accord with our policy.A.action B.act C.active D.activity答案： A14.In fact 确切地说、实际上【用法讲解】 fact为名词，译为“事实、实际情况”。Eg: The fact is we dont have enough money. 事实是我们没有那么多钱。【常见搭配】 in fact 实际上As a matter of fact 事实上Eg: In fact, the project was completed ahead of schedule. 实际上，这个项目提前完成了。As

21、 a mater of fact, I have already finished my homework. 事实上，我已经完成了作业。【即学即用】1.事实上，她的父母在血统上是美国人。_ _, her parents were American by birth.答案： In fact15.Per cent (= percent) (名词) 百分之.；(形容词/副词) 每一百中【用法讲解】 percent作为名词时，没有复数形式。Eg: one percent 百分之一We give a 10 percent discount for cash. 现金付款，我们九折优惠。The price

22、increased by 10 percent. 价格上涨了百分之十。【常见搭配】 数词+ percent + of + 名词 .中的百分之.注意：该结构作主语时，谓语动词取决于of后的名词。Eg: Twenty percent of the students agree with you. 百分之二十的学生同意你。Ninety - five percent of the population supports the new policy.95%的人口支持新政策。【即学即用】( )1._ of the students _ girls in our class.A.Twenty percen

23、ts; is B.Twenty percents; are C.Twenty percent; is D.Twenty percent; are答案：D16.For this reason 出于这个原因【用法讲解】 通常用于句首或句中，连接前后两个句子，表示因果关系。Eg: He was not feeling well, for this reason, he decided to stay at home.他感觉不舒服，因此，他决定待在家里。【知识拓展】 reason可作名词，译为“原因、理由、理智、评论”；reason还可作动词，译为“推理、思考、说服”。Eg: She gave her

24、 reason for being late. 她说出了迟到的原因。The ability to think and make sensible judgments can be referred to as reason.思考和做出明智判断的能力可以称为理性。He gave a reason for his decision. 他为他的决定提供了评论。He reasoned that the best solution was to compromise.他推理出最好的解决方案时妥协。She reasoned with him to change his mind.她劝说他改变主意。【常见搭

25、配】 reason for. .的原因With reason 合理、有道理For no reason 无缘无故、没有理由的Reason with sb. 劝服某人Reason sb.Into/ out of doing sth. 说服某人做/不做某事By reason of. 因为、由于Eg: The reason for his absence was illness. 他缺席的原因是生病了。He was angry with reason. 他生气是有道理的。Dont be angry with me for no reason. 不要无缘无故地对我升起。She reasoned him

26、into changing his mind. 她说服他改变了主意。By reason of the bad weather, the game was cancelled. 由于天气不好，比赛被取消了【派生词】 reasonable为形容词，译为“合理的、通情达理的”；Eg: It seems reasonable to expect rapid urban growth. 似乎有理由期望城市快速发展。【即学即用】( )1.She didnt give me the reason _ being late.A.of B.for C.with D.into答案： B17.Planet (名词)

27、 行星【用法讲解】 planet为可数名词，其复数形式为planets。Eg: Earth is the planet we live on. 地球是我们居住的行星。【即学即用】1.Does life exist on other _ (planet)?答案： planets18.In order to 为了、以便【用法讲解】 in order to的同义词组为“so that +从句”。Eg: I study hard in order to get a good job.= I study hard so that I can get a good job.我努力学习是为了找到好工作。【知

28、识拓展】order作名词，可译为“订单、顺序”；order作动词，也可译为“命令、订购”等。Eg: The books are arranged in alphabetical order. 这些书按字母顺序排列。I placed an order for a new computer. 我订购了一台新电脑。The doctor ordered the patient to rest. 医生命令病人休息。I ordered 500 pairs of shoes from the factory. 我向这家工厂订购了500双鞋。【常见搭配】 Out of order 故障或不正常Eg: The

29、printer is out of order. 这台打印机坏了。【即学即用】1.为了提高英语，我已经开始了英语课程。I have started an English course _ _ _ improve my English.答案： in order to19.Store (动词) 贮存、存储；(名词) 百货商店、商店【用法讲解】 store作可数名词，还可译为“仓库、储备”，其复数形式为stores。Eg: There are lots of stores on the street. 这条街上有许多商店。There is a large store behind the shop.

30、 商店后面有一个大仓库。The country has a large store of natural gas. 该国拥有大量天然气储备。Farmers store hay in barns for winter. 农民将干草储存在谷仓中过冬。【常见搭配】 a store of . 大量、丰富In store 即将发生或存在Eg: The library has a store of rare books. 图书馆藏有大量珍本书籍。A surprise is in store for you. 有个惊喜等着你。【即学即用】1.There were not so many _ (store) around here before.答案： stores20.Honeycomb (名词) 蜂巢【用法讲解】 honeycomb为可数名词，其复数形式为honeycombs。Eg: The beehive contains a complex honeycomb. 蜂箱里有一个复杂的蜂巢。【即学即用】1.These chairs were designed with _ (honeycomb).答案： honeycombs8