Definition of activity in English:

activity

nounPlural activities akˈtɪvɪtiækˈtɪvədi

1mass noun The condition in which things are happening or being done.
（事情发生或发展的）状况
there has been a sustained level of activity in the economy
经济方面一直保持着一定的活跃水平。
the only sign of human activity now is the boatload of day trippers from the mainland
Example sentencesExamples
- A constant reappraisal and fine tuning of educational activity at all levels will give new generations the skills and confidence to work for a better future.
- How do you foresee further developments in Italian business activity in Bulgaria?
- The level of operational activity is higher and this means that we are spending more time away from our families and friends.
- Patients should be questioned about cycle patterns, contraception, and sexual activity.
- A second, functional level of military activity responded to shifts in the conduct of operations.
- We expect 2003 to be a year of reasonable but not spectacular growth in economic activity and business revenues.
- I am optimistic because there is already a brisk commercial activity under free market conditions.
- High levels of sexual activity were perceived as normative for both sexes.
- Pardew said that the level of US business activity in Bulgaria was still not where it should be.
- In contrast, growth of business activity across the UK private sector as a whole picked up slightly to a strong pace.
- Where it really falls down is that even in respect of private activity, employers can contract out of the protections.
- Over this period there have been ebbs and flows in the level of activity, often in response to the major issues and challenges of the day.
- Growth in activity and employment was robust, while confidence levels were high across the board, he said.
- This leads to a sharp decline in the level of economic activity, and the economy enters a period of stagnation.
- As far as sexual activity is concerned, Jacobs explained, the role of testosterone is still not well defined.
- Levels of activity in the economy will rise, employment will be boosted and tax receipts will boom.
- Lawmakers must clarify contract laws and develop new legislation that governs private business activity.
- The analysis concerns the seismic activity occurring during 1874-1913.
- There was a high level of competitive activity in certain areas.
- A study in chimpanzees showed lower levels of sexual activity when the females were given oral contraceptives.
1. 1.1 Busy or vigorous action or movement.
  （忙碌或积极的）行为，行动
  the room was a hive of activity
  房间里热闹非凡。
  Example sentencesExamples
  A change in activity level or training routine may be the key etiologic factor.
  For several weeks the new centre has become a hive of activity as community volunteers put up the fixtures and fittings in time for the big move.
  Buses radiate out from Valletta bus station, which is a hive of activity from early morning until about 8pm.
  Physical activity and alcohol intake were categorised as in earlier reports.
  Physical activity is an equal partner in developing a healthy lifestyle.
  While it was miserable and wet outside, the school hall was a hive of activity, with face painting, games and stalls.
  Physical activity has marked effects on several functions of the human body that may influence cancer risk.
  All subjects were surveyed about their use of health promoting behaviors, including physical activity.
  Our goal is for the patient to perform the conditioning activity at a level that is similar to that of normal individual of the same age.
  I found that dancers and varsity athletes are engaging in physical activity for an equal number of hours per day.
  The post office was always a hive of activity with people bustling about.
  Physical activity helps control weight by burning excess calories that would otherwise be stored as fat.
  After breakfast, the house is bustling with activity and movement.
  The locality has been a hive of activity in recent weeks.
  Undernutrition is common in many chronic conditions, and obesity can result from conditions that limit physical activity.
  Today we need to consciously work out to incorporate the same level of activity into our daily routine.
  Synonyms
  bustle, hustle and bustle, busyness, action, liveliness, movement, life, stir, animation, commotion, flurry, tumult, hubbub, excitement, agitation, fuss, whirl
  happenings, occurrences, proceedings, events, incidents
  informal toing and froing, comings and goings, to-do
  archaic hurry-scurry, pother
2usually activitiesA thing that a person or group does or has done.
活动
the firm's marketing activities
公司的市场营销活动。
Example sentencesExamples
- Of more importance to marketers, however, is measuring the effectiveness of the promotional activity.
- Private companies were not allowed to engage in such activities, and contracts they made would be void.
- She has not been engaged in a business activity to exploit her sporting prowess or to turn her talent to account in money.
- He said there was no connection between his gifts to to the Party and his business activities.
- The sites also have the potential to be used by the community during the day for activities such as adult learning.
- Staff will use the time to prepare lesson plans and take part in teacher development activities.
- There is a danger that the club could undo any good work themselves with their off the field activities.
- They clearly see the potential to convert these activities from a cost to an investment.
- The pain may result in inability to do routine work or household activities.
- It was all down to yesterday's hard labour, of course, and sedentary activities.
- At the end of the fortnight-long activities, a function was held to sum up the event.
- The site includes many activities developed for children with special educational needs.
- Such changes require sustained hard work on activities that are not particularly high profile.
- There will also be a mix of office activities and general work related to the Abbey Grounds.
- The children attending the club have an opportunity to do homework and other activities.
- Holidays are the best time during which the child can engage in activities other than study.
- Much of his work in stimulating art activities in the borough was carried out modestly and behind the scenes.
- This scheme is aimed at providing support to youth work activities at a local level.
- Legalisation means that activities are made legal and are no longer regulated in any way.
- A thief, no matter how much his activities may smack of a James Bond adventure, is still just a thief.
- The exhibition also looks at early activities in the field of industry and trade.
- It got me thinking about the way in which our activities and moods are affected by the weather.
Synonyms
pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign
interest, hobby, pastime, recreation, diversion, entertainment
act, action, deed, doing, exploit, manoeuvre
informal thing, lark, caper
1. 2.1 A recreational pursuit or pastime.
  娱乐休闲活动
  a range of sporting activities
  一系列体育活动。
  Example sentencesExamples
  Information on activities and pursuits available to children in the area will be provided.
  The visit was part of the Sporting Champions initiative to promote games and activities in schools.
  He said sea angling was a major sport and recreational activity and if the competitions had to be cancelled irreparable damage would be done.
  The volunteers help the children with their daily needs and organise sporting activities for them.
  In regions where trout are indigenous, the sport of fly-fishing is big business as a sporting activity and a tourist attraction.
  There are many health related benefits in becoming active and participating in local sport and recreational activity.
  A range of activities should be made available so that school children have an opportunity to test themselves and find a sport or activity that they are good at.
  He has not returned to his former sporting activities with the exception of golf.
  Most policies, for example, exclude water sport or other hazardous activities.
  A Scot and a keen sportsman he had extended the company's welfare and recreation activities.
  He said the club's social activities have ranged from football to having its own choral society.
  The list of activities is long and diverse, from youth clubs to sports teams to skateparks to Scout packs.
  Gone is the person who would engage in a sport or activity as a pastime rather than a profession.
  The Supporters Club will be involved in a range of promotional and social activities through the year.
  Most contracts will exclude any hazardous water sports or adventurous activities.
  The principle aim is to promote outdoor activities and social camaraderie for retired people.
  Some patients have no regular access to social activities or talking therapy.
  He took a keen interest in local affairs and kept up to date with sporting activities.
  Its activities include the provision of lunches and a wide range of leisure activities from art to yoga.
  He encouraged the men to get involved in sporting activities, and football soon became a favourite.
  Synonyms
  pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign
3Chemistry
A thermodynamic quantity representing the effective concentration of a particular component in a solution or other system, equal to its concentration multiplied by an activity coefficient.
〔化〕热力活性，活度

Origin

Late Middle English: from French activité or late Latin activitas, from Latin act- 'done', from the verb agere.

Rhymes

nativity

Definition of activity in US English:

activity

nounækˈtɪvədiakˈtivədē

1The condition in which things are happening or being done.
（事情发生或发展的）状况
there has been a sustained level of activity in the economy
经济方面一直保持着一定的活跃水平。
the only sign of human activity now is the boatload of day-tripper from the mainland
Example sentencesExamples
- A second, functional level of military activity responded to shifts in the conduct of operations.
- Growth in activity and employment was robust, while confidence levels were high across the board, he said.
- In contrast, growth of business activity across the UK private sector as a whole picked up slightly to a strong pace.
- I am optimistic because there is already a brisk commercial activity under free market conditions.
- As far as sexual activity is concerned, Jacobs explained, the role of testosterone is still not well defined.
- Patients should be questioned about cycle patterns, contraception, and sexual activity.
- A study in chimpanzees showed lower levels of sexual activity when the females were given oral contraceptives.
- How do you foresee further developments in Italian business activity in Bulgaria?
- A constant reappraisal and fine tuning of educational activity at all levels will give new generations the skills and confidence to work for a better future.
- Levels of activity in the economy will rise, employment will be boosted and tax receipts will boom.
- This leads to a sharp decline in the level of economic activity, and the economy enters a period of stagnation.
- We expect 2003 to be a year of reasonable but not spectacular growth in economic activity and business revenues.
- High levels of sexual activity were perceived as normative for both sexes.
- The analysis concerns the seismic activity occurring during 1874-1913.
- Where it really falls down is that even in respect of private activity, employers can contract out of the protections.
- There was a high level of competitive activity in certain areas.
- Lawmakers must clarify contract laws and develop new legislation that governs private business activity.
- The level of operational activity is higher and this means that we are spending more time away from our families and friends.
- Pardew said that the level of US business activity in Bulgaria was still not where it should be.
- Over this period there have been ebbs and flows in the level of activity, often in response to the major issues and challenges of the day.
1. 1.1 Busy or vigorous action or movement.
  （忙碌或积极的）行为，行动
  the room was a hive of activity
  房间里热闹非凡。
  Example sentencesExamples
  After breakfast, the house is bustling with activity and movement.
  All subjects were surveyed about their use of health promoting behaviors, including physical activity.
  The locality has been a hive of activity in recent weeks.
  Physical activity is an equal partner in developing a healthy lifestyle.
  Today we need to consciously work out to incorporate the same level of activity into our daily routine.
  Undernutrition is common in many chronic conditions, and obesity can result from conditions that limit physical activity.
  Physical activity and alcohol intake were categorised as in earlier reports.
  For several weeks the new centre has become a hive of activity as community volunteers put up the fixtures and fittings in time for the big move.
  While it was miserable and wet outside, the school hall was a hive of activity, with face painting, games and stalls.
  Physical activity has marked effects on several functions of the human body that may influence cancer risk.
  I found that dancers and varsity athletes are engaging in physical activity for an equal number of hours per day.
  Buses radiate out from Valletta bus station, which is a hive of activity from early morning until about 8pm.
  The post office was always a hive of activity with people bustling about.
  Physical activity helps control weight by burning excess calories that would otherwise be stored as fat.
  Our goal is for the patient to perform the conditioning activity at a level that is similar to that of normal individual of the same age.
  A change in activity level or training routine may be the key etiologic factor.
  Synonyms
  bustle, hustle and bustle, busyness, action, liveliness, movement, life, stir, animation, commotion, flurry, tumult, hubbub, excitement, agitation, fuss, whirl
2usually activitiesA thing that a person or group does or has done.
活动
the firm's marketing activities
公司的市场营销活动。
Example sentencesExamples
- The site includes many activities developed for children with special educational needs.
- The exhibition also looks at early activities in the field of industry and trade.
- The pain may result in inability to do routine work or household activities.
- He said there was no connection between his gifts to to the Party and his business activities.
- There will also be a mix of office activities and general work related to the Abbey Grounds.
- They clearly see the potential to convert these activities from a cost to an investment.
- The sites also have the potential to be used by the community during the day for activities such as adult learning.
- It was all down to yesterday's hard labour, of course, and sedentary activities.
- She has not been engaged in a business activity to exploit her sporting prowess or to turn her talent to account in money.
- Of more importance to marketers, however, is measuring the effectiveness of the promotional activity.
- It got me thinking about the way in which our activities and moods are affected by the weather.
- The children attending the club have an opportunity to do homework and other activities.
- At the end of the fortnight-long activities, a function was held to sum up the event.
- Private companies were not allowed to engage in such activities, and contracts they made would be void.
- There is a danger that the club could undo any good work themselves with their off the field activities.
- Legalisation means that activities are made legal and are no longer regulated in any way.
- Much of his work in stimulating art activities in the borough was carried out modestly and behind the scenes.
- This scheme is aimed at providing support to youth work activities at a local level.
- Staff will use the time to prepare lesson plans and take part in teacher development activities.
- Holidays are the best time during which the child can engage in activities other than study.
- A thief, no matter how much his activities may smack of a James Bond adventure, is still just a thief.
- Such changes require sustained hard work on activities that are not particularly high profile.
Synonyms
pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign
1. 2.1 A recreational pursuit or pastime.
  娱乐休闲活动
  a range of sports activities
  一系列体育活动。
  Example sentencesExamples
  He has not returned to his former sporting activities with the exception of golf.
  He encouraged the men to get involved in sporting activities, and football soon became a favourite.
  A range of activities should be made available so that school children have an opportunity to test themselves and find a sport or activity that they are good at.
  Most contracts will exclude any hazardous water sports or adventurous activities.
  He said the club's social activities have ranged from football to having its own choral society.
  There are many health related benefits in becoming active and participating in local sport and recreational activity.
  Its activities include the provision of lunches and a wide range of leisure activities from art to yoga.
  Most policies, for example, exclude water sport or other hazardous activities.
  The principle aim is to promote outdoor activities and social camaraderie for retired people.
  A Scot and a keen sportsman he had extended the company's welfare and recreation activities.
  In regions where trout are indigenous, the sport of fly-fishing is big business as a sporting activity and a tourist attraction.
  Information on activities and pursuits available to children in the area will be provided.
  Some patients have no regular access to social activities or talking therapy.
  The Supporters Club will be involved in a range of promotional and social activities through the year.
  He said sea angling was a major sport and recreational activity and if the competitions had to be cancelled irreparable damage would be done.
  He took a keen interest in local affairs and kept up to date with sporting activities.
  Gone is the person who would engage in a sport or activity as a pastime rather than a profession.
  The volunteers help the children with their daily needs and organise sporting activities for them.
  The list of activities is long and diverse, from youth clubs to sports teams to skateparks to Scout packs.
  The visit was part of the Sporting Champions initiative to promote games and activities in schools.
  Synonyms
  pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign
2. 2.2activities Actions taken by a group in order to achieve their aims.
  （一团体为达成目的而采取的）行动
  the police were investigating anarchist activities
  警方正在调查共产党的活动。
  Example sentencesExamples
  He's planning a $9.5 billion electronic bank robbery, the proceeds of which he can use to finance terrorist activities.
  Engaging volunteers in fund-raising activities broadens the funding base and increases assets.
  He's editor of an anthology which documents anarchist communities' activities over the past quarter century.
  A key question is the appropriate role of the private and public sectors in reducing losses and offering insurance protection against extreme risks such as natural disasters and terrorist activities.
3Chemistry
A thermodynamic quantity representing the effective concentration of a particular component in a solution or other system, equal to its concentration multiplied by an activity coefficient.
〔化〕热力活性，活度

Origin

Late Middle English: from French activité or late Latin activitas, from Latin act- ‘done’, from the verb agere.

词汇	activity
释义	Definition of activity in English: activity nounPlural activities akˈtɪvɪtiækˈtɪvədi 1mass noun The condition in which things are happening or being done. （事情发生或发展的）状况 there has been a sustained level of activity in the economy 经济方面一直保持着一定的活跃水平。 the only sign of human activity now is the boatload of day trippers from the mainland Example sentencesExamples A constant reappraisal and fine tuning of educational activity at all levels will give new generations the skills and confidence to work for a better future. How do you foresee further developments in Italian business activity in Bulgaria? The level of operational activity is higher and this means that we are spending more time away from our families and friends. Patients should be questioned about cycle patterns, contraception, and sexual activity. A second, functional level of military activity responded to shifts in the conduct of operations. We expect 2003 to be a year of reasonable but not spectacular growth in economic activity and business revenues. I am optimistic because there is already a brisk commercial activity under free market conditions. High levels of sexual activity were perceived as normative for both sexes. Pardew said that the level of US business activity in Bulgaria was still not where it should be. In contrast, growth of business activity across the UK private sector as a whole picked up slightly to a strong pace. Where it really falls down is that even in respect of private activity, employers can contract out of the protections. Over this period there have been ebbs and flows in the level of activity, often in response to the major issues and challenges of the day. Growth in activity and employment was robust, while confidence levels were high across the board, he said. This leads to a sharp decline in the level of economic activity, and the economy enters a period of stagnation. As far as sexual activity is concerned, Jacobs explained, the role of testosterone is still not well defined. Levels of activity in the economy will rise, employment will be boosted and tax receipts will boom. Lawmakers must clarify contract laws and develop new legislation that governs private business activity. The analysis concerns the seismic activity occurring during 1874-1913. There was a high level of competitive activity in certain areas. A study in chimpanzees showed lower levels of sexual activity when the females were given oral contraceptives. 1.1 Busy or vigorous action or movement. （忙碌或积极的）行为，行动 the room was a hive of activity 房间里热闹非凡。 Example sentencesExamples A change in activity level or training routine may be the key etiologic factor. For several weeks the new centre has become a hive of activity as community volunteers put up the fixtures and fittings in time for the big move. Buses radiate out from Valletta bus station, which is a hive of activity from early morning until about 8pm. Physical activity and alcohol intake were categorised as in earlier reports. Physical activity is an equal partner in developing a healthy lifestyle. While it was miserable and wet outside, the school hall was a hive of activity, with face painting, games and stalls. Physical activity has marked effects on several functions of the human body that may influence cancer risk. All subjects were surveyed about their use of health promoting behaviors, including physical activity. Our goal is for the patient to perform the conditioning activity at a level that is similar to that of normal individual of the same age. I found that dancers and varsity athletes are engaging in physical activity for an equal number of hours per day. The post office was always a hive of activity with people bustling about. Physical activity helps control weight by burning excess calories that would otherwise be stored as fat. After breakfast, the house is bustling with activity and movement. The locality has been a hive of activity in recent weeks. Undernutrition is common in many chronic conditions, and obesity can result from conditions that limit physical activity. Today we need to consciously work out to incorporate the same level of activity into our daily routine. Synonyms bustle, hustle and bustle, busyness, action, liveliness, movement, life, stir, animation, commotion, flurry, tumult, hubbub, excitement, agitation, fuss, whirl happenings, occurrences, proceedings, events, incidents informal toing and froing, comings and goings, to-do archaic hurry-scurry, pother 2usually activitiesA thing that a person or group does or has done. 活动 the firm's marketing activities 公司的市场营销活动。 Example sentencesExamples Of more importance to marketers, however, is measuring the effectiveness of the promotional activity. Private companies were not allowed to engage in such activities, and contracts they made would be void. She has not been engaged in a business activity to exploit her sporting prowess or to turn her talent to account in money. He said there was no connection between his gifts to to the Party and his business activities. The sites also have the potential to be used by the community during the day for activities such as adult learning. Staff will use the time to prepare lesson plans and take part in teacher development activities. There is a danger that the club could undo any good work themselves with their off the field activities. They clearly see the potential to convert these activities from a cost to an investment. The pain may result in inability to do routine work or household activities. It was all down to yesterday's hard labour, of course, and sedentary activities. At the end of the fortnight-long activities, a function was held to sum up the event. The site includes many activities developed for children with special educational needs. Such changes require sustained hard work on activities that are not particularly high profile. There will also be a mix of office activities and general work related to the Abbey Grounds. The children attending the club have an opportunity to do homework and other activities. Holidays are the best time during which the child can engage in activities other than study. Much of his work in stimulating art activities in the borough was carried out modestly and behind the scenes. This scheme is aimed at providing support to youth work activities at a local level. Legalisation means that activities are made legal and are no longer regulated in any way. A thief, no matter how much his activities may smack of a James Bond adventure, is still just a thief. The exhibition also looks at early activities in the field of industry and trade. It got me thinking about the way in which our activities and moods are affected by the weather. Synonyms pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign interest, hobby, pastime, recreation, diversion, entertainment act, action, deed, doing, exploit, manoeuvre informal thing, lark, caper 2.1 A recreational pursuit or pastime. 娱乐休闲活动 a range of sporting activities 一系列体育活动。 Example sentencesExamples Information on activities and pursuits available to children in the area will be provided. The visit was part of the Sporting Champions initiative to promote games and activities in schools. He said sea angling was a major sport and recreational activity and if the competitions had to be cancelled irreparable damage would be done. The volunteers help the children with their daily needs and organise sporting activities for them. In regions where trout are indigenous, the sport of fly-fishing is big business as a sporting activity and a tourist attraction. There are many health related benefits in becoming active and participating in local sport and recreational activity. A range of activities should be made available so that school children have an opportunity to test themselves and find a sport or activity that they are good at. He has not returned to his former sporting activities with the exception of golf. Most policies, for example, exclude water sport or other hazardous activities. A Scot and a keen sportsman he had extended the company's welfare and recreation activities. He said the club's social activities have ranged from football to having its own choral society. The list of activities is long and diverse, from youth clubs to sports teams to skateparks to Scout packs. Gone is the person who would engage in a sport or activity as a pastime rather than a profession. The Supporters Club will be involved in a range of promotional and social activities through the year. Most contracts will exclude any hazardous water sports or adventurous activities. The principle aim is to promote outdoor activities and social camaraderie for retired people. Some patients have no regular access to social activities or talking therapy. He took a keen interest in local affairs and kept up to date with sporting activities. Its activities include the provision of lunches and a wide range of leisure activities from art to yoga. He encouraged the men to get involved in sporting activities, and football soon became a favourite. Synonyms pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign 3Chemistry A thermodynamic quantity representing the effective concentration of a particular component in a solution or other system, equal to its concentration multiplied by an activity coefficient. 〔化〕热力活性，活度 Origin Late Middle English: from French activité or late Latin activitas, from Latin act- 'done', from the verb agere. Rhymes nativity Definition of activity in US English: activity nounækˈtɪvədiakˈtivədē 1The condition in which things are happening or being done. （事情发生或发展的）状况 there has been a sustained level of activity in the economy 经济方面一直保持着一定的活跃水平。 the only sign of human activity now is the boatload of day-tripper from the mainland Example sentencesExamples A second, functional level of military activity responded to shifts in the conduct of operations. Growth in activity and employment was robust, while confidence levels were high across the board, he said. In contrast, growth of business activity across the UK private sector as a whole picked up slightly to a strong pace. I am optimistic because there is already a brisk commercial activity under free market conditions. As far as sexual activity is concerned, Jacobs explained, the role of testosterone is still not well defined. Patients should be questioned about cycle patterns, contraception, and sexual activity. A study in chimpanzees showed lower levels of sexual activity when the females were given oral contraceptives. How do you foresee further developments in Italian business activity in Bulgaria? A constant reappraisal and fine tuning of educational activity at all levels will give new generations the skills and confidence to work for a better future. Levels of activity in the economy will rise, employment will be boosted and tax receipts will boom. This leads to a sharp decline in the level of economic activity, and the economy enters a period of stagnation. We expect 2003 to be a year of reasonable but not spectacular growth in economic activity and business revenues. High levels of sexual activity were perceived as normative for both sexes. The analysis concerns the seismic activity occurring during 1874-1913. Where it really falls down is that even in respect of private activity, employers can contract out of the protections. There was a high level of competitive activity in certain areas. Lawmakers must clarify contract laws and develop new legislation that governs private business activity. The level of operational activity is higher and this means that we are spending more time away from our families and friends. Pardew said that the level of US business activity in Bulgaria was still not where it should be. Over this period there have been ebbs and flows in the level of activity, often in response to the major issues and challenges of the day. 1.1 Busy or vigorous action or movement. （忙碌或积极的）行为，行动 the room was a hive of activity 房间里热闹非凡。 Example sentencesExamples After breakfast, the house is bustling with activity and movement. All subjects were surveyed about their use of health promoting behaviors, including physical activity. The locality has been a hive of activity in recent weeks. Physical activity is an equal partner in developing a healthy lifestyle. Today we need to consciously work out to incorporate the same level of activity into our daily routine. Undernutrition is common in many chronic conditions, and obesity can result from conditions that limit physical activity. Physical activity and alcohol intake were categorised as in earlier reports. For several weeks the new centre has become a hive of activity as community volunteers put up the fixtures and fittings in time for the big move. While it was miserable and wet outside, the school hall was a hive of activity, with face painting, games and stalls. Physical activity has marked effects on several functions of the human body that may influence cancer risk. I found that dancers and varsity athletes are engaging in physical activity for an equal number of hours per day. Buses radiate out from Valletta bus station, which is a hive of activity from early morning until about 8pm. The post office was always a hive of activity with people bustling about. Physical activity helps control weight by burning excess calories that would otherwise be stored as fat. Our goal is for the patient to perform the conditioning activity at a level that is similar to that of normal individual of the same age. A change in activity level or training routine may be the key etiologic factor. Synonyms bustle, hustle and bustle, busyness, action, liveliness, movement, life, stir, animation, commotion, flurry, tumult, hubbub, excitement, agitation, fuss, whirl 2usually activitiesA thing that a person or group does or has done. 活动 the firm's marketing activities 公司的市场营销活动。 Example sentencesExamples The site includes many activities developed for children with special educational needs. The exhibition also looks at early activities in the field of industry and trade. The pain may result in inability to do routine work or household activities. He said there was no connection between his gifts to to the Party and his business activities. There will also be a mix of office activities and general work related to the Abbey Grounds. They clearly see the potential to convert these activities from a cost to an investment. The sites also have the potential to be used by the community during the day for activities such as adult learning. It was all down to yesterday's hard labour, of course, and sedentary activities. She has not been engaged in a business activity to exploit her sporting prowess or to turn her talent to account in money. Of more importance to marketers, however, is measuring the effectiveness of the promotional activity. It got me thinking about the way in which our activities and moods are affected by the weather. The children attending the club have an opportunity to do homework and other activities. At the end of the fortnight-long activities, a function was held to sum up the event. Private companies were not allowed to engage in such activities, and contracts they made would be void. There is a danger that the club could undo any good work themselves with their off the field activities. Legalisation means that activities are made legal and are no longer regulated in any way. Much of his work in stimulating art activities in the borough was carried out modestly and behind the scenes. This scheme is aimed at providing support to youth work activities at a local level. Staff will use the time to prepare lesson plans and take part in teacher development activities. Holidays are the best time during which the child can engage in activities other than study. A thief, no matter how much his activities may smack of a James Bond adventure, is still just a thief. Such changes require sustained hard work on activities that are not particularly high profile. Synonyms pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign 2.1 A recreational pursuit or pastime. 娱乐休闲活动 a range of sports activities 一系列体育活动。 Example sentencesExamples He has not returned to his former sporting activities with the exception of golf. He encouraged the men to get involved in sporting activities, and football soon became a favourite. A range of activities should be made available so that school children have an opportunity to test themselves and find a sport or activity that they are good at. Most contracts will exclude any hazardous water sports or adventurous activities. He said the club's social activities have ranged from football to having its own choral society. There are many health related benefits in becoming active and participating in local sport and recreational activity. Its activities include the provision of lunches and a wide range of leisure activities from art to yoga. Most policies, for example, exclude water sport or other hazardous activities. The principle aim is to promote outdoor activities and social camaraderie for retired people. A Scot and a keen sportsman he had extended the company's welfare and recreation activities. In regions where trout are indigenous, the sport of fly-fishing is big business as a sporting activity and a tourist attraction. Information on activities and pursuits available to children in the area will be provided. Some patients have no regular access to social activities or talking therapy. The Supporters Club will be involved in a range of promotional and social activities through the year. He said sea angling was a major sport and recreational activity and if the competitions had to be cancelled irreparable damage would be done. He took a keen interest in local affairs and kept up to date with sporting activities. Gone is the person who would engage in a sport or activity as a pastime rather than a profession. The volunteers help the children with their daily needs and organise sporting activities for them. The list of activities is long and diverse, from youth clubs to sports teams to skateparks to Scout packs. The visit was part of the Sporting Champions initiative to promote games and activities in schools. Synonyms pursuit, occupation, venture, undertaking, enterprise, project, scheme, business, job, affair, task, campaign 2.2activities Actions taken by a group in order to achieve their aims. （一团体为达成目的而采取的）行动 the police were investigating anarchist activities 警方正在调查共产党的活动。 Example sentencesExamples He's planning a $9.5 billion electronic bank robbery, the proceeds of which he can use to finance terrorist activities. Engaging volunteers in fund-raising activities broadens the funding base and increases assets. He's editor of an anthology which documents anarchist communities' activities over the past quarter century. A key question is the appropriate role of the private and public sectors in reducing losses and offering insurance protection against extreme risks such as natural disasters and terrorist activities. 3Chemistry A thermodynamic quantity representing the effective concentration of a particular component in a solution or other system, equal to its concentration multiplied by an activity coefficient. 〔化〕热力活性，活度 Origin Late Middle English: from French activité or late Latin activitas, from Latin act- ‘done’, from the verb agere.
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