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TOEFL BNC: 1316 COCA: 1444

active

Word family 
Related topics: Grammar, Chemistry
ac·tive1 /ˈæktɪv/ ●●● S2 W2 adjectiveadj  
1  DSbusy 忙碌的HEALTHY always busy doing things, especially physical or mental activities 忙碌的；好动的，活跃的 OPP inactive
 games for active youngsters
活跃好动的年轻人玩的游戏
 She’s over 80, but is still very active.
她80多岁了，但仍旧很活跃。
active life/lifestyle
 My father always led a very active life.
我父亲一直过着忙忙碌碌的生活。
active mind/imagination
 a child with a very active imagination
一个想象力很丰富的孩子
2  involved 参与的TAKE PART/BE INVOLVED involved in an organization or activity and doing lots of practical things to achieve your aims 积极的
 He became politically active at college.
他上大学时开始积极参与政治活动。
be active in (doing) something
 The Bureau is active in promoting overseas investment.
该局积极促进海外投资。
take/play an active part/role in something
 Encourage students to take an active part in discussions.
要鼓励学生积极参与讨论。
 She took an active interest in local charities.
她对当地慈善事业非常热衷。
active participation/involvement
 the importance of active participation by elderly people in the life of the community
老年人积极参与社区生活的重要性
 We’re taking active steps (=doing practical things) to deal with the problem.
我们正在采取积极措施解决这个问题。
 We maintain active links with other European universities.
我们与欧洲其他大学保持积极联系。
active member/supporter
 He is an active member of the Labour Party.
他是工党的积极分子。
3  functioning 起作用 operating in a way that is normal or expected 起作用的 OPP inactive
 The virus is active even at low temperatures.
这种病毒即使在低温下也有活性。
4  doing STH 做某事 doing something regularly 定期进行的，活跃的
 sexually active teenagers
经常有性行为的青少年
5  volcano 火山 an active volcano is likely to erupt (=explode) at any time 活的，随时会爆发的
 The volcano became active last year with a series of eruptions.
这座火山去年活跃起来，喷发了好几次。
6. grammar 语法SLG an active verb or sentence has the person or thing doing the action as its subject. In ‘The boy kicked the ball’, the verb ‘kick’ is active 〔动词或句子〕主动的 → passive1(2)
7  HCchemical 化学的 producing a chemical reaction 起化学反应的
 nicotine, the active ingredient in tobacco
烟草中的活性成分尼古丁
5 —actively adv
 Carol was actively involved in the local sports club.
卡罗尔积极参加当地体育俱乐部的活动。
n COLLOCATIONS – Meaning 1: always busy doing things, especially physical or mental activities
nouns
an active life
He lived a full and active life.
an active lifestyle
Studies show that an active lifestyle can reduce your chance of developing heart disease.
an active mind (=when someone is able to think quickly and clearly)
A fit body is crucial if you want an active mind.
an active imagination (=when someone is able to form pictures or ideas easily)
Some of the children have an overactive imagination.
verbs
keep/remain active
We try to keep the patients active by taking them for a daily walk.
adverbs
physically active
You need to become more physically active and eat less.
highly/intensely active
an intensely active child
n COLLOCATIONS – Meaning 2: involved in an organization or activity and doing lots of practical things to achieve your aims
nouns
an active role
Most men play a less active role in family life than women.
an active part
Our members take an active part in fund-raising.
an active member
She became an active member of the Geological Society.
an active interest
As a teenager he began to take an active interest in politics.
active participation/involvement (=in an activity or event)
Active participation in community life is important in small towns and villages.
The school encourages the active involvement of parents.
an active participant
The student must be an active participant in the learning process.
active support (=encouragement or help)
He wrote the book with the active support of his wife, Pam.
an active supporter
The company is an active supporter of animal rights groups.
phrases
play an active role in something
Do you play an active role in your community?
take an active part in something
Most of the students take an active part in sports.
take active steps to do something
You should take active steps towards reducing stress.
take an active interest in something
Not many young people take an active interest in gardening.
adverbs
politically active
As a student, he was politically active.
economically active
The proportion of men aged 65–69 who are economically active has decreased.
Examples from the Corpus
active• She should begin having Pap smears as soon as she is sexually active.• We want to keep her busy and active.• She may be over 80, but she's still very active!• They're both in their seventies, but they're still very active.• It is no coincidence that in the current recession, the big boys have been active again, though with mixed success.• I'd been active all my life, and suddenly I had nothing to do.• In this way the apparently active and positive concept of consent is diluted to the point of near vacuity.• Keep your pride and remember you're not helpless just because you're not active any more.• Aaron seemed like a normal active baby until he was about ten months old.• In Washington Harriman quickly became active in Democratic Party affairs.• Bedwas and District Conservation Society in Gwent have been active in improving open spaces around their town.• They are not semi active just because they exist in you in your background knowledge.• Jamie's a very active little kid!• Today there are over 5,000 active members in the Accra church.• But a lot of people are active onshore and want to be active aboard ship.• active trading on the stock market• The alarm becomes active when the switch is turned on.
active life/lifestyle• Her body accepted the organ with hardly a problem and she resumed her active life.• In all ages prior to our modern scientific age, people had a more physical and active lifestyle.• Most residents of homes for the elderly are in their eighties and have come there towards the end of an active life.• Sovereigns are born for an active life, and not for an idle or contemplative existence.• He withdrew from active life and retired to Kenilworth where on the 4 January 1927 he died at the age of seventy-seven.• To many of them the active life seems more deserving because of the amount of good works and preaching it performs.• Cyril's secret for a long and active life - treat yourself.• Go to bed wishing I could have bestowed an extra twenty years' active life upon Bunuel and Jane Austen.
politically active• Are older students more politically active?• How might you assess whether most college students are politically active?• She calls on women to become politically active and not just accept their identities.• Okay, so I was looking for a politically active, fat, drunk kleptomaniac.• Mansur Rajih had been politically active for most of his adult life.• My connection to a politically active national organization had strengthened my hand immeasurably.• Significantly, this elder bloc was far more politically active than any other age group.• A growing proportion of politically active workers were no longer without a country, as the Communist Manifesto had proclaimed.
sexually active• It is a clear admission that you are sexually active, and parents may find this hard to deal with.• With many sexually active before their sixteenth birthday and with drug taking on the increase, education needs to start young.• Not surprisingly, these men are well represented in the most sexually active groups.• More than 10% of those who are currently sexually active have had a vasectomy.• On the other hand, he wanted to know what it was like to live as a sexually active human being.• Of sexually active teenagers, most are married.• For teenagers who are unmarried and sexually active, there are other complications.• A woman should begin having Pap smears as soon as she is sexually active, Thompson said.
volcano ... active• The volcano became active on 28 March last year with a series of eruptions building up to the major explosion on 4 April.
active ingredient• If they can t tell us that, we need at least to know the active ingredients.• Licorice Phytosome enhances better absorption of the active ingredients and increases their effectiveness for a prolonged period of time.• The active ingredient checks the growth of bacteria and so helps natural healing.• By using bromocriptine, the company did not have to develop its own similar active ingredient for Ergoset.• Since 1986,700 pesticides have been reviewed from which 350 active ingredients have been banned.• This is why caffeine is the active ingredient in many prescription and nonprescription migraine treatments.• The industry surveys are based on the amounts of active ingredients made for animals by the institute's member companies.• Orthokeraten, the active ingredient of Icône, works to boost the process by which the epidermis renews itself every 28 days.
active2 noun  
the active the active form of a verb, for example ‘destroyed’ in the sentence ‘Enemy planes destroyed the village.’ 主动语态
→ passive2
From Longman Business Dictionary
activeac·tive /ˈæktɪv/ adjectiveadj
1FINANCE if trading or a market is active, there is a lot of buying and selling
Hong Kong shares advanced in active trading.
These markets are among the most active and volatile in the world.
Gold was active again today, with nearly 70,000 contracts changing hands.
2[not before a noun]COMMERCE a company that is active is selling products or services
The company has been active in Italy for more than 25 years.
3if someone is active in doing something, they do it
Foreign companies have been active in making friendly acquisitions.
4taking definite action rather than just giving advice or waiting to see what will happen
They are calling for active government intervention.
The company will begin an active asset sale program.
She wanted to take a more active role in the running of the company.
5actually employed in doing a job
They have looked at data on their active and retired employees’ medical records.
6BANKING an active bank account is being used
Origin active1
(1300-1400) Latin activus, from agere; → ACT1
ac·tive1 adjectiveadj →n COLLOCATIONS1 →n COLLOCATIONS2active2 noun
LDOCE Online
Chinese
Syllable
Corpus
TOEFL BNC: 1316 COCA: 1444
active

adjective

VERBS | ADVERB | PREPOSITION VERBS➤be活躍▸➤become變得活躍▸➤keep (sb), remain, stay（使某人）保持／仍然／依然活躍◇Try to keep active in the cold weather.天冷時要盡量多活動。ADVERB➤extremely, fairly, very, etc.極其／相當／非常活躍▸➤highly十分活躍◇a highly active volcano十分活躍的火山➤increasingly越來越活躍▸➤mentally, physically思維／身手敏捷◇It's important to remain mentally active after retirement.退休後保持敏捷的思維是十分重要的。➤sexually定期有性行為的◇By the age of 18, 65% of teenagers report being sexually active.65% 的青少年報稱 18 歲之前已定期有性行為。➤economically, politically經濟上活躍的；政治上積極的◇When did you first become politically active?你是什麼時候開始投身政治的？PREPOSITION➤against對⋯起作用◇drugs that are active against cancers對治療癌症有效的藥物➤in在⋯方面表現積極◇She has been active in local politics for some years.她數年來一直活躍於當地政壇。
TOEFL BNC: 1316 COCA: 1444
active adj.
⇨ active (the active ingredient in aspirin) ⇨ busy 1 (active in politics) ⇨ energetic (physically active) active

adjective

active ♦︎ in operation ♦︎ in force ♦︎ in action ♦︎ up and running ♦︎ operationalThese words all describe sb/sth being able to do, or doing, the activity or work that is typical for them. 这些词均表示发挥功效或起作用。■ active doing sth regularly; functioning; having or causing a chemical effect 定期进行的；起作用的；起化学作用的◆These animals are active only at night.这些动物只在夜间活动。◆Numbers of sexually active teenagers have continued to rise.有性行为的青少年人数持续增加。◆The virus is still active in the blood.病毒仍然在血液中起作用。◆What is the active ingredient in aspirin?阿司匹林中的有效成分是什么？ OPP inactive ⓘ Inactive describes sb/sth that is not doing anything, is not in use or not working or has no effect. * inactive指不活动的、不使用的、不起作用的◆Some animals are inactive during the daytime.有些动物白天不活动。◆an inactive drug / disease失效的药物；非活动性疾病 ■ in opeˈration

idiom

 (rather formal) (of a system) working, being used or having an effect （系统）工作中，使用中，有效◆The system needs to be in operation for six months before it can be assessed.此系统须运行六个月后才能对它进行评估。◆Temporary traffic controls are in operation on New Road.“新路”正实施临时交通管制。ⓘ When a system comes into operation it starts working or having an effect. * come into operation表示开始运行或开始生效◆The new rules come into operation from next week.新规定下周开始生效。When you put sth into operation you start using it or make it start working. * put sth into operation表示开始使用或启动◆It's time to put our plan into operation.该是执行我们计划的时候了。   see also operate ⇨ organize , operate ⇨ work verb 3 ■ in ˈforce

idiom

(of a law or rule) being used （法律或规定）有效力，实施中◆The new regulations are now in force.新规定现已生效。ⓘ When a law or rule comes/enters into force it starts being used. * come/enter into force表示法律或规定开始实施◆When do the new regulations come into force?新规定何时开始执行？When you bring sth into force you make a law or rule start being used. * bring sth into force表示使法律或规定开始生效◆They are hoping to bring the new legislation into force by the end of the year.他们希望在年底前实施新法。 ■ in ˈaction

idiom

(of a person or thing) doing the activity or work that is typical for them （人或物）在活动中，运转中◆I've yet to see all the players in action.我还得看所有参赛者实地比赛。■ ˌup and ˈrunning

idiom

(of a system, for example a computer system) working; being used （系统，如计算机系统）在运转，在使用中◆By that time the new system should be up and running.到那时，新系统应该已经运转起来了。ⓘ Up and running is usually used to talk about sth starting to work or be used after a period of development. * up and running通常指经过一段时间的研发后开始运转或使用。   see also run ⇨ work verb 3 ■ operational [not usually before noun] (rather formal) ready to be used; in use 可使用；在使用中◆The new airport should be fully operational by the end of the year.新机场应该会在年底前全面投入运营。ⓘ Operational is very often used in the phrase fully operational. * operational经常用于短语fully operational中。   see also operate ⇨ work verb 3
TOEFL BNC: 1316 COCA: 1444
active
Energetic and lively: energetic, lively, active...
Busy and working: busy, active, tied up...
Busy places and times and describing busy places and times: madhouse, a hive of activity, the centre of activity/things...
Involved in something: concerned, active, involved...
Existing, happening or being dealt with now: existing, present, immediate...
Electricity and electrical power: AC, active, alternating current...
Volcanos: active, crater, dormant...
Describing chemicals and chemical processes: active, aerobic, alkaline...
Describing types and forms of verbs: active, causative, ditransitive...

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