join的意思是“参加、加入”，其内涵是to be a member of a group，含义：
1.join“参加、加入”的是团体、组织或群体等而成为其中的一员。
请看例句：
She joined the Labour Party in April.
她4月份加入了工党。
Angela says she longs to join an dramatics class.
安杰拉说她渴望参加业余戏剧班。
/ˈæmətər/
adj.业余；业余爱好的
n.业余爱好者；外行；业余运动员；生手
dramatics /drəˈmætɪks/ n.夸张的行为；做作的感情表露
He joined the society for political ends.
他为了政治目的加入了这个协会。
I've joined the ranks of the unemployed.
我加入了失业者的行列。
Last month, 370,000 Americans joined the ranks of the unemployed
上个月，有37万美国人加入了失业者的行列。
Another 29,100 people he joined the dole queue.
又有29,100人加入了失业大军。
dole /dəʊl/
n.救济金；失业救济金
v.发放救济；以小份发给
queue /kjuː/
n.(储存的数据)队列；(人、汽车等的)队，行列
v.(人、车等)排队等候；(使)排队；列队等待
He himself had joined the others straight from the office
他本人下班后径直加入到了他们的行列。
Some local residents joined the students' protest
当地一些居民也加入了学生的抗议行列。
I negotiated my way out of the airport and joined the flow of cars.
我驱车驶出机场，汇入车流之中。
negotiate/nɪˈɡəʊʃieɪt/v.谈判；协商；通过，越过(险要路段)；达成(协议)；磋商；商定
I've joined the union.
我已经加入工会。
Join a social club to make new friends.
加入一个社交俱乐部，好交一些新朋友。
She joined the company three months ago.
她三个月前进了这家公司。
He joined the consular service, chiefly because this was one of the few job vacancies
他到领事馆工作，主要因为那是仅有的几个空缺职位之一。
I've had my doubts about his work since he joined the firm.
自从他加入公司以来，我对他的工作一直持有怀疑。
He's been hit by a succession of injuries since he joined the team.
自入队以来他一再受伤。
The president joined the team for a photocall.
总统加入到团队中接受媒体拍照。
Italy joined the war on the Allied side in 1915.
1915年，意大利加入协约国参战。
He joined the Army five years ago.
他5年前参军了。
注意：join是个瞬间动词，上述句子改写成完成时态为：
He has been in the Army for five years.
They he joined the job market at the worst possible time
他们在最不景气的时候进入了就业市场。
《柯林斯高阶英汉双解学习词典》不跟时间段连用时，可以用完成时态。
Local residents he joined battle with the council over the lack of parking facilities.
当地居民就缺少停车设施一事与政务委员会展开了斗争。
facility /fəˈsɪləti/ n.设施；设备；(供特定用途的)场所；（学习、做事的）天资，才能，天赋；(服务等的)特色；(机器等的)特别装置
His wife and children moved to join him in their new home.
他的妻子和孩子们搬进了他们的新家，和他一起生活。
Will you join us for lunch?
和我们一起吃午饭好吗？
I joined the workers on strike and was rapped over the knuckles
我参加了工人的罢工，因而受到了训斥。
(give /get) a rap on/over/across the knuckles
（给某人以 / 受到）严厉谴责，厉声训斥
be rapped over the knuckles
knuckle /ˈnʌkl/
n.指关节；指节；(猪等动物的)肘，蹄
v.用指关节打（压，碰，擦）
Members of the public joined the search for the missing boy.
许多民众加入了搜寻失踪男孩的行动。
join也可以表示：参与（活动）
If you join an activity that other people are doing, you take part in it or become involved with it.
Telephone operators joined the strike and four million engineering workers are also planning action.
电话接线员加入了罢工的行列，400万工程技术工人也在计划采取行动。
《柯林斯高阶英汉双解学习词典》
Over 200 members of staff joined the strike.
200多名雇员参加了罢工。
People of various party allegiances joined the campaign.
各个不同政党的拥护者都参加了这次活动。
Many he joined the campaign to end gender discrimination.
很多人参与了禁止性别歧视的运动。
2.join in的意思也是“参加”，通常指参加某种竞赛、娱乐、游戏等活动。
If you join in an activity, you take part in it or become involved in it.
比如：
May I join in the game/discussion/conversation?
我可以参加这个比赛吗?
I hope that everyone will be able to join in the fun.
我希望每个人都能够加入进来，玩得开心。
You still he time to join in the fun.
现在加入其中享受快乐还来得及。
Larsson sometimes joined in the fun, but with more discretion.
拉森有时会和大家一起玩乐，但是显得更加矜持。
discretion /dɪˈskreʃn/
n.自由裁量权；谨慎；慎重；审慎；自行决定权；自行决定的自由
Everyone joined in the chorus.
唱到副歌时，大家都跟着一起唱起来。
chorus /ˈkɔːrəs/
n.副歌；歌队，合唱队；齐声，异口同声；合唱团；歌舞队；合唱曲；歌咏队；朗诵演员
v.合唱；异口同声地说；齐声说
More and more people are beginning to join in the activity.
越来越多的人开始参加这项活动。
May I join in the discussion?
我可以参加讨论吗?
A teen might join in a volunteer project because his or her friends are doing it, or get good grades because his or her friends think getting good grades is important.
青少年可能会因为朋友的参与而加入一个志愿者项目，或者因为朋友认为取得好成绩很重要而获得好成绩。
If you are interested in gardening or animals, then you might want to join in our new project to change waste gardens into places for growing fruit and vegetables, or care for local animals and wildlife.
如果您对园艺或动物感兴趣，那么您可以加入我们的新项目，将废弃的花园改造为种植水果和蔬菜的地方，或负责照顾当地的动物和野生动物。
The researchers asked 25 university students to Join in their sleep experiment.
研究人员让25名大学生参加他们的睡眠实验。
He also writes articles, hoping that more people will join in protecting natural ecosystems.
他还撰写文章，希望更多的人加入到保护自然生态系统的行列中来。
ecosystems /ˈiːkəʊsɪstəm/
n.生态系统
Ally has learned how to work with Clara and to get her to join in the lessons.
艾丽学会了如何和克拉拉一起工作,并让她参加课程。
It sounds exciting. Is it your first time to join in such activities?
听起来很刺激。这是你第一次参加这样的活动吗?
They join in the sport that interests them most.
他们参加他们最感兴趣的运动。
We're going to play football. Do you want to join in?
我们去踢足球，你来不来？
The main rebel groups he agreed to join in a meeting to set up a transitional government.
主要叛乱集团已同意参加会议讨论建立一个过渡政府。
All parties joined in bitter denunciation of the terrorists.
所有党派同仇敌忾地痛斥恐怖主义者。
denunciation /dɪˌnʌnsiˈeɪʃn/
n.公开谴责；指责；斥责
terrorist /ˈterərɪst/
n.；恐怖主义者；<史>（俄国的）企图用恐怖手段摧垮政府的政党成员；<史>（法国大革命中恐怖统治期间的）革命法庭的探子（或坚决拥护者）
adj.恐怖(主义)的，的
Private contractors joined in condemning the Government's stance.
私人承包商们也一道谴责政府的立场。
condemn /kənˈdem/
vt.谴责；(通常因道义上的原因而)指责；判处(某人某种刑罚)；宣判；证明（或表明）有罪；迫使…接受困境(或不愉快的状况)；宣告使用…不安全
stance /stæns/
n.立场；态度；(公开表明的)观点；(尤指体育运动中的)站立姿势
I joined in the spontaneous applause.
我跟着也自然而然地鼓起掌来。
spontaneous /spɑːnˈteɪniəs/
adj.自发的；自然的；自身造成的；非筹划安排的；常心血来潮的
He started to sing and I joined in.
他开始唱起歌来，然后我也跟着唱起来。（in此时是副词）
如果说“与某人一起做某事”、“和……在一起”则用join . in sth./doing sth.。
比如：
Will you join us in a game of cards?
你愿意和我们一起玩牌吗?
She joined the girls in a walk？她跟姑娘们一起去散步了。
Do you join me in a swim?和我一块去游泳吗？
They joined him in a visit to London.
他们跟他一起参加参观了伦敦。
take part in的意思也是“参加”，它指参加群众性活动、会议、劳动、游行等，主要强调在其中起到一份作用。
比如：All the students took an active part in the thorough cleaning.
所有的学生都积极参加了大扫除。
3.take part in
指参加集体性的活动。有时与join in可互换。
You can make it fun by taking part in outdoor activities.
你可以参加户外活动使它变得有趣。
Students can lose so many confidence that they start to stop taking part in classroom activities at school.
学生们会失去很多信心，他们会开始停止参加学校的课堂活动。
The majority of the students who took part in the protest came from the same school.
大部分参加抗议的学生来自同一所学校。
He always takes an active part in politics.
他总是积极参与政治活动。
Witnesses said Furci boasted that he took part in killing them
几位证人声称富尔奇曾吹嘘自己参与了对他们的屠杀。
She took part in a BBC radio phone-in programme.
她参加了英国广播公司听众来电参与节目。
all wonder that he decided to take no part in the debate.
难怪他决定不参加辩论呢。
Three-quarters of the country's workers took part in the strike
该国有3/4的工人参加了这次罢工。
The union claimed that some of its members had been victimized for taking part in the strike.
工会声称有些会员因参加罢工而受到迫害。
Thousands of students he taken part in demonstrations.
数千学生参加了游行。
Paramilitary police units are taking part in rescue efforts.
准军事警察部队正在参与营救行动。
Along with scores of other advertising creatives, he will be taking part in an exhibition at the Saatchi gallery.
他将和许多广告创意人员一起参加在萨奇画廊举行的画展。
Today I took part in a quiz show at a TV studio.
今天我参加了一个电视演播室的智力竞赛节目。
I took part in a French exchange.
我参加了一次法语交流会。
I also found the everyone who took part in the exchange did a lot better in their end of year exams.
我还发现，参加交流的每一个人在期末考试中的表现都要好得多。
The majority of the students who took part in the protest came from the same school.
大部分参加抗议的学生来自同一所学校。
More than fifteen thousand people took part in the memorial service.
有15,000多人参加了悼念仪式。
They returned to take part in the season's opening game.
他们回来参加本赛季的开幕赛。
I took part in the First Chinese Ancient Poem Reading Competition.
我参加了首届中国古诗朗诵比赛。
Soon after that, she took part in an activity to promote Chinese paper cutting.
不久之后,她参加了一项推广中国剪纸的活动。
I took part in some projects and activities about the environment, peace and HIV/ AIDS.
我参加了一些有关环境、和平和艾滋病的项目和活动。
He is ill, so he didn't take part in the picnic.
他病了，所以没参加这次野餐。
If you want knowledge, you must take part in the practice of changing reality.
你要想获取知识，你就得参加变革现实的实践。
Only by taking part in practice can the young people be toughened and hardened into steel.
年轻人只有通过实际锻炼才能百炼成钢。
You're taking part in the decisions, but it's all cut and dried.
你参与决策，但实际上他们已早事先安排好了。
Cadres he gone down to different grass-roots units to take part in manual labour.
干部们分别下基层参加劳动去了。
All the villagers, men and women, old and young, took part in the battle against the drought.
全村不论男女老幼，都参加了抗旱斗争。
drought /draʊt/
n.干旱；旱灾；久旱
He had been taking part in an international symposium on population.
他那时正参加一个有关人口问题的国际研讨会。
symposium /sɪmˈpoʊziəm/
n.研讨会；专题讨论会；小型讨论会
She takes an active part in school life. 她积极参加学校活动。
You can take part in activities from canoeing to bird watching.
你可以参与从划独木舟到观鸟等各种活动。
Mrs Kerr was too upset to take part in a reconstruction of her ordeal.
克尔夫人受惊过度，不堪再参与自己所受折磨的场景重现。
reconstruction /ˌriːkənˈstrʌkʃn/
n.重建；改造；修复；复原；重现；修理；重建时期；再现（犯罪过程等）的影片
ordeal /ɔːrˈdiːl/
n.磨难；折磨；煎熬；严酷的考验
You can take part in multiplayer games either on a LAN network or via the internet.
可以通过局域网或因特网参加多人游戏。
Susan takes an active part in campus life. 苏珊积极参加校园活动。
The officer refused to let his men take part in the operation.
这军官拒绝让他的士兵参加这项军事行动。
How many countries took part in the last Olympic Games?
有多少国家参加了上届奥运会？
Last time I took part in the 78th Olympics and I won the silver medal for my performance.
上一次我参加了第78届奥运会，并赢得了银牌。
You don't need strength to take part in this sport
参加这项运动不需要太多体力。
673 private golf clubs took part in a recent study
673家私人高尔夫俱乐部参与了最近的研究。
Students who want to take part in this project should know the fundamentals of modern fluid mechanics.
想要参加这个项目的学生需要了解现代流体力学的基本原理。
fluid /ˈfluːɪd/
n.液体；流体；液
adj.流体的；流动的；不稳定的；易变的；流畅优美的
mechanic /məˈkænɪk/
n.技工；方法；力学；机械师；机械学；机械修理工
adj.同“mechanical. mechanic's lien”
Recently I took part in a program to study Chinese.
最近我参加了一个学习汉语的项目。
Six theatre companies he been selected to take part in this year's festival.
已选定六个剧团参加今年的戏剧节。
4. attend v. [正式] 参加，出席
多指出席会议、参加学术活动、听课等。
to attend a wedding/funeral
参加婚礼 / 葬礼
How many people attended the meeting?
多少人出席了会议？
The meeting was attended by 90% of shareholders.
90%的股东出席了会议。
The conference was attended by delegates from 56 countries.
此次会议有来自56个国家的代表出席。
She didn't explain why she was unable to attend.
她没解释不能出席的原因。
Over a thousand people bred the elements to attend the march.
一千多人不顾天气恶劣参加了游行。
We were made to attend meetings every day.
我们每天都得参加会议。
It would be to your advantage to attend this meeting.
参加这次会议会对你有利。
Unfortunately, I won't be able to attend the meeting.
真可惜我不能参加这次会议。
Some people are unwilling to attend the classes partly because of the cost involved.
有些人不愿来上课，部分原因是所需的费用问题。
A family bereement meant that he could not attend the conference.
他家里有人去世了，所以不能出席会议。
The Jordanian leader seemed amenable to attending a conference
约旦领导人似乎愿意参加会议。
Please let us know if you cannot attend the meeting.
你若不能参加会议，请通知我们。
He used his wife's birthday as a convenient excuse for not going to the meeting.
他说要给妻子过生日，利用这个借口，就不去参加会议了。
The ceremony was widely attended. 参加典礼的人很多。
The duchess is expected to come out of hiding to attend the ceremony.
公爵夫人估计会现身参加仪式。
How many people attend church every Sunday?
每个星期天有多少人去教堂？
She asked for lee of absence to attend a funeral. 她请了假去参加葬礼。
Students with I ． D ． cards can attend the events for free ．
持身份证的学生可以免费参加活动。
高考真题- 2016 全国3卷 阅读A
Thousands of people attended the funeral.
数千人参加了葬礼。
She asked for lee of absence to attend a funeral.
她请了假去参加葬礼。
5. participate v. [正式] 参加，参与
to take part in or become involved in an activity
指参与某活动或事件，含积极、主动之意，常后接介词 in。
The doctors take turns at participating in the mobile medical team.
医生们轮流参加巡回医疗队。
They plan to participate in the autumn fair.
他们计划参加秋季交易会。
An armada of U.S. Ny ships participated in the invasion.
美国海军舰队参加了入侵行动。
They believe that participating in fights toughens boys and shows them how to be men.
他们认为参与打架会使男孩子变得坚强，教会他们怎样成为男人。
The girls in his class are willing to participate in the dancing party.
他班上的女生们很乐意参加这次舞会。
Who will participate in these discussions?
谁将参与这些讨论？
They expected him to participate in the ceremony.
他们希望他参加典礼。
They believed they were participating in an insurance scam, not a murder
他们认为自己是在参与一起保险诈骗，而不是谋杀。
scam /skæm/
n.骗局；欺诈；诈财骗局
vt.欺诈；诓骗
scan /skæn/
v.(X射线、超声波、电磁波等)扫描；（为搜索病毒而）扫描（文件）；（用扫描设备）扫描（图像或文件等）；浏览；审视；察看；翻阅；细看；端详；粗略地读；符合韵律
n.浏览；扫描检查；快速查阅；胎儿扫描检查
She didn't participate in the discussion.
她没有参加讨论。
He will see that he is participating in all the decisions of the collective.
他会确保自己参与集体企业的各项决策。
collective /kəˈlektɪv/
adj.集体的；共同的；总体的；共有的；全体成员的
n.集体企业；企业集团；合作农场
Over half the population of this country participate in sport.
这个国家一半以上的人口参加体育锻炼。
It's impossible to assess how many officers are participating in the slowdown.
要估算出究竟多少高级职员参与了怠工是不可能的。
She never participated in obtaining or copying any classified documents for anyone.
她从未参与过为任何人获取或复制机密文件之事。
He planned to participate in the demonstration, but then he got cold feet.
他打算参加示威，但后来临阵退缩了。
Each child had participated in extracurricular activities at school.
每个孩子都参加了学校的课外活动。
The school has not given them the same opportunities to participate in varsity sports that men receive.
学校没有给她们与男生同样多的参加大学体育活动的机会。
The importance of participating in the life of the country cannot be overestimated
参与国家生活的重要性再怎么说都不为过。
We encourage students to participate fully in the running of the college.
我们鼓励学生全面参与学院的运作。
This autumn, 6000 residents will participate in the first phase of the project
今年秋天，将有6000名居民参加该项目的第一阶段。
About 100,000 students around the country participate in the program's competition series, which culminates in a national game-show-style contest held each May.
全国各地大约有l0万名学生参加该项目的系列比赛，每年五月则进行类似游戏展风采的全国性赛事。
6. engage v. [正式] 参加，参与
to take part in sth; to make take part in sth
指做某事或参与某项活动，常后接介词 in/on/upon。
Nowadays, office workers rarely engage in regular exercise.
现在，上班族很少定期进行锻炼。
Due to some historical and practical reasons, the two parties engaged upon an escalating political struggle.
由于一些历史和现实原因，两党陷入了日益加剧的政治斗争。
Despite his illness, he remained actively engaged in translating documents.
虽然生病了，他还是积极地参与文件的翻译。
At least 17 different irregular units are engaged in the war.
至少有17个非正规军部队参战。
His troops will only engage in a ground battle when all the odds are in their four.
他的部队只有在胜券在握的时候才打地面战。
Even in prison, he continued to engage in criminal activities.
他甚至在监狱里还继续从事犯罪活动。
I he never engaged in the drug trade…
我从未参与过毒品交易。
She tried desperately to engage him in conversation .
她用尽办法要他跟她谈话。
They tried to engage him in conversation.
他们试图跟他交谈。
He has already stated his intention to run for election.
他已声明打算参加竞选。
You can engage in croquet on the south lawn.
你可以参加南边草坪上的槌球游戏。
Cockburn engaged in a flight of fancy, never once allowing facts to get in the way.
科伯恩一直在想入非非，从不曾考虑现实状况。
He went to the party in a giant chicken costume.
他是打扮成一只大鸡去参加聚会的。
I wasn't too keen on going to the party. 我不太想去参加这次聚会。
I do hope you'll be able to come to the wedding
我确实希望你能来参加婚礼。
I he no intention of going to the wedding.
我无意去参加婚礼。
The company engaged in a deliberate effort to cheat them out of their pensions
公司涉嫌蓄意骗取他们的养老金。
come to/go to等也可以表示“参加，出席”：
He was unable to come to the ceremony, but he sent his son to accept the award in his place.
他不能亲自来参加仪式，但派了他儿子前来代他领奖。
There was a continuous stream of people going to the celebration.
一路上尽是去参加庆祝活动的人群。
Freedom to pursue extracurricular activities is totally unrestricted.
参加课外活动的自由完全不受限制。
Entry to this competition is by invitation only.
只有受邀请才能参加本次竞赛。
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