单词是外语学习和交流的基本要素，是语言的基本单位，在语言文化交流中起着重要作用。
今天，我把外研版新七上英语Unit 3重点单词用法推荐给大家，学习开心哦！silent不作声的，形容词。
silence寂静，名词。
in silence寂静地，无声地。
如，He sat there in silence. silently沉默地，寂静地，无声地，副词。
如，They all stand silently for a moment.strict严格的，严厉的，形容词。
用法：（1）be strict with sb. 对某人很严厉。
如，Miss Wang is strict with us. （2）be strict in sth. 对做的某事很严格。
如，Mr Gao is strict with our homework.follow跟着，跟随，动词。
用法：follow sb.跟随某人。
如，An older man with a strict face follows him. following接着的，下列的，形容词。
如，You can choose one from the following three books.postman邮递员；邮差，名词。
复数形式是postmen。
如，This is my favourite film, Postmen in the Mountains.touching感人的；动人的，形容词。
如，It’s a touching story about the love between father ans son. touch触摸；触碰，动词。
如，I liked the cat when I touched it at the first time.serve为......工作；供职，动词。
用法：serve as...充当/担任......。
如，For years, my father served as the postman for this town. service服务，名词。
如，People want better services now.absent不在的，缺席的，形容词。
用法：be absent from 缺席；不在。
如，He was often absent from home.seldom很少，罕见，不常，副词。
用法：（1）seldom通常放在实义动词前，be动词、情态动词及助动词等后。
如，She seldom gets up after six o’clock. / The boy is seldom late for school.（2）seldom表示不完全否定，但由于其含有否定的意义，所以含有seldom的句子相当于否定句，在反意疑问句中，疑问部分要用肯定形式。
如，He seldom watches TV, does he?position职位，职务，名词。
用法：take over one’s position接管某人的职位。
如，The son is taking over his father’s position now.each（两个或两个以上物或人中的）每个，各，代词。
用法：（1）each other 彼此，互相。
如，We should help each other and learn from each other. （2）each 与of连用时，后接的名词或代词必须是复数，并且名词必须要有冠词、物主代词、指示代词等之类的限定词修饰。
如果是一般现在时，谓语动词用三单的形式。
如，Each of the students has an advantage.across横跨，跨越，介词。
如，Don’t go across that square, Tom. cross穿过，横跨，动词。
Cross the bridge, please.growth（性格、智力或情感的）发展，成长，名词。
如，He is happy about his son’s growth. -th后缀是名词的标志。
如，warmth温暖。
care担心；忧虑。
名词。
用法：take care保重。
take care of... 照顾......。
with care 小心地。
如，We should take care of the old. care关心，担忧，动词。
用法：care for / about...关心/担心......。
如，She is caring about / for her English. / I don’t care about / for her ideas. careful仔细的，形容词。
carefully 仔细地，副词。
careless粗心的，形容词。
carelessly 仔细地，副词。
如，He is a careful boy. / She does the homework carelessly.marry结婚；娶；嫁，动词。
用法：（1）marry sb. 嫁给某人、与某人结婚。
如，She married Mike five years ago.（2）be/get married (to sb.) 与某人结婚。
如， They got married last month.（3）marry sb. to sb. （父母把女儿）嫁给某人或（父母为儿子）娶媳妇。
如，She married her son to a beautiful woman.solve解决（问题），动词。
用法：后接问题、困难等名词或代词作为宾语。
如，I can help you solve this problem.relationship（人或团体之间的）关系，名词（可数，但在不同的语境中，也可以作为不可数名词使用）。
如，keep a good relationship 保持一段良好关系。
give advice about family relationships。
Is there any relationship between them?finish完成，做完，动词。
用法：finish sth. / finish doing sth. 做完某事/完成做某事。
如，He finished his homework just now. / I finished cleaning the house last night.serious严重的，形容词。
如，Nothing serious. Don’t worry. 用法：be serious about sth. 认真对待某事。
如，We should be serious about the work.disease疾病，病，名词。
用法：（1）具体的“疾病”（可数）。
如，Robert has a serious disease and cannot move at all. （2）疾病的总称（不可数），即通称的“疾病”。
如，Flies can spread disease.（3）用于医学上表示各种病。
如，heart disease 心脏病。
pull 拉；扯；拖，动词。
用法：pull in （车）停下，进站，船（到岸）。
如，The train pulled in just now.refuse 拒绝，回绝，动词。
用法：接名词、代词或动词不定式。
如，She refused our help. / They refuse to play basketball with us.result结果，后果，名词。
用法：as a result结果；as a result of... 由于......。
如，As a result, the boy became a famous writer. / As a result of weather, we had to wait for hours at the airport.matter（尤指对某人自己或对发生的事）重要，要紧，有关系，动词。
用法： 通常用于否定句和疑问句，句中常常含有what, who, where, if等连词，一般以it作主语。
如，For them, the result doesn’t really matter. / It doesn’t matter to me whether they come or not.power给（车辆或机器）提供动力，动词。
用法：如，The love between them powers their bike. power能，能量，名词（不可数）。
如，wind power风能。
power权力，影响力，名词（不可数）。
如，She has great power. power力量，名词（不可数）。
如，Knowledge is power. power 能力，才能，名词（不可数）。
如，They did everything in their power to help us.
