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历史：
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 392 COCA: 444
major adjective | noun | verb
 1 
ma·jor / 5medV[ ; 5meIdVE /adjective
1. usually before nounhaving very serious or worrying results重大的，严重的;ANTminor
•There is a major problem with parking in London.在伦敦，停车是个很大的问题。
•The loss of their goalkeeper through injury was a major setback for the team.守门员因伤缺阵是这个队的一大损失。
•He underwent major heart surgery recently.他最近做了心脏大手术。
•It could have sparked a major confrontation.此事原本可能导致一场严重的冲突。
2. usually before nounvery large or important, when compared to other things or people of a similar kind大的，重要的，主要的;ANTminor
major role / part / factor etc
•Britain played a major role in the negotiations.英国在谈判中发挥了重要作用。
•There are two major political parties in the US.美国有两大政党。
•The government's major concern is with preventing road accidents.政府的大事是预防道路交通事故。
•Smoking is one of the major causes of cancer.吸烟是引发癌症的主要原因之一。
•the major developments in computer technology计算机技术的重大进步
•a major road一条大路
3. not before nounAmE spokenvery important非常重要的:
•This is major? You got me out of bed for this?这就叫做重要？ 你把我从床上弄起来就是为了这个？
4. a major KEY is based on a musical SCALE in which there are SEMITONES between the third and fourth and the seventh and eighth notes〔音乐〕大音阶的，大调的;
⇒minor:
•a symphony in D majorD 大调交响乐
 2 
majornoun C
1. an officer of middle rank in the British or US army or MARINES , or in the US airforce少校
⇒DRUM MAJOR
2. especially AmEthe main subject that a student studies at college or university〔大学的〕主修科目，专业:
•Her major is history.她的主修科目是历史。
3. AmEsomeone studying a particular subject as their main subject at college or university〔大学中〕主修某科目的学生，某专业的学生:
•She's a history major.她是历史专业的学生。
4. the majors pl.the MAJOR LEAGUES〔美国〕职业棒球大联盟，大联盟
 3 
majorverb
 PHRASAL VERBS 
major in sth
especially AmEto study something as your main subject at college or university〔在大学〕主修:
•He's majoring in Political Science.他主修政治学。
major on sth
especially BrE to pay particular attention to one subject or thing专门研究，着重于〔一个课题或问题〕:
•The company is planning to major on offering the machines we need.这家公司正在计划专门提供我们所需的机械。

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