ac‧tive 1 S2 W2 / æktɪv / 形容词

1 busy always busy doing things, especially physical or mental activities 反义词 inactive :

games for active youngsters

She’s over 80, but is still very active.

active life/lifestyle

My father always led a very active life.

active mind/imagination

a child with a very active imagination

2 involved involved in an organization or activity and doing lots of practical things to achieve your aims :

He became politically active at college.

be active in (doing) something

The Bureau is active in promoting overseas investment.

take/play an active part/role in something

Encourage students to take an active part in discussions.

She took an active interest in local charities.

active participation/involvement

the importance of active participation by elderly people in the life of the community

We’re taking active steps (= doing practical things ) to deal with the problem.

We maintain active links with other European universities.

active member/supporter

He is an active member of the Labour Party.

3 functioning operating in a way that is normal or expected 反义词 inactive :

The virus is active even at low temperatures.

4 doing something doing something regularly :

sexually active teenagers

5 volcano an active volcano is likely to explode at any time :

The volcano became active last year with a series of eruptions.

6 grammar an active 动词 or sentence has the person or thing doing the action as its subject . In ‘The boy kicked the ball’, the 动词 ‘kick’ is active → passive 1 ( 2 )

7 chemical producing a chemical reaction :

nicotine, the active ingredient in tobacco

— actively 副词 :

Carol was actively involved in the local sports club.

COLLOCATIONS

名词

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.

动词

keep/remain active We try to keep the patients active by taking them for a daily walk.

副词

physically active You need to become more physically active and eat less.

highly/intensely active an intensely active child

COLLOCATIONS

名词

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.

短语

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.

副词

politically active As a student, he was politically active.

economically active The proportion of men aged 65–69 who are economically active has decreased.