| 释义 |
noun | verb functionfunction1 /ˈfʌŋkʃən/ ●●○ W3 AWL noun ETYMOLOGYfunction1Origin: 1500-1600 Latin functio, from fungi to perform adjectives/nouns + function► an important/key function Your kidneys have an important function – they remove waste from your blood. ► a basic function The most basic function of a home is to provide shelter. ► a useful function A rule must serve a useful function or there is no point in following it. ► a special/particular/specific function Each part of the machine has a special function. ► a vital/essential function Fire has a vital function in the forest, in that many seeds will never begin to grow without it. ► the main/primary function The main function of a business is to make money. ► a dual function (=two purposes) School has a dual function: to educate children and help them to become good citizens. ► different/separate functions The two types of cell have very different functions. ► normal function Alcohol affects the normal function of the brain. ► bodily functions (=eating, breathing, going to the toilet, etc.) The nervous system regulates our bodily functions. ► liver/lung/cell function Some drugs can affect liver function. ► a social/economic/political function Families perform an essential social function by raising children who can be good citizens. verbs► have a function The two machines have different functions. ► serve/fulfill a function (=have a function) Singing seems to serve two functions for birds – defending territory and attracting females. Do speech and writing fulfill the same function? ► perform a function In her new role she will perform a variety of different functions. THESAURUSaim► purpose the aim or result that an event, process, or activity is supposed to achieve: Some games for children have an educational purpose. Troops were sent to the area for the purpose of assisting refugees. ► object formal the specific purpose of an activity: The object of the analysis was to determine if the water is safe to drink. ► point the purpose of doing something and the reason it is important or necessary: What is the point of bringing so many reporters out to watch this? ► function the purpose that something has. Used especially about a machine, a piece of equipment, or a part of the body: The function of windshield wipers is to remove rain from the windshield. for fun► party an occasion when people meet together to enjoy themselves by eating, drinking, dancing, etc.: Were you invited to the party? I’m going to a party tonight. ► get-together a small informal party: We’re having a big family get-together in the park on Sunday. ► baby/wedding/bridal shower an event at which people give presents to a woman who is going to have a baby or get married: Cindy’s friends are throwing a baby shower for her today. ► reception a large formal party, especially one after a wedding or for an important person: The reception will immediately follow the wedding ceremony. ► celebration a party or special event that is organized for a special occasion: The fireworks are part of the town’s 4th of July celebration. ► reunion a party for people who have not met for a long time, often with food, dancing, and other activities. Schools and families usually have reunions: She’s going to her 20th high school reunion in Dallas this weekend. ► gathering an occasion when a group of people meet together to have fun, especially a group of friends or family: I see my cousins several times a year at family gatherings. ► function a large formal or official party, usually for important people: The band has played at many corporate functions (=official parties held by a company). 1PURPOSE [countable, uncountable] the purpose that something has, or the job that someone or something does: The filter’s function is to remove pollution from the air.function of The main function of the press is to provide information. The organization fulfills a valuable social function by providing help to the poor. Some architects thought that function was more important than form (=the way something worked was more important than how it looked).► see thesaurus at purpose12EVENT [countable] a large party or ceremonial event, especially for an important or official occasion: The hall can be rented for weddings and other social functions.► see thesaurus at party13COMPUTERS [countable] computers one of the basic operations performed by a computer4RESULT be a function of something if one thing is a function of another, it is produced by or changes according to the other thing: The fog is a function of the cooler air moving in.5MATH [countable] math, algebra a)a mathematical quantity that changes according to how another mathematical quantity changes. For example, in x = 5y, x is a function of y, and the possible solutions for x directly relate to the possible solutions for y. b) (symbol f) a relation between two sets of values, for which each value of the domain (=first set) has a single related value in the range (=second set). For example, f(x) = √x is a function because each value “x” has only one square root.[Origin: 1500–1600 Latin functio, from fungi to perform]COLLOCATIONSadjectives/nouns + functionan important/key function Your kidneys have an important function – they remove waste from your blood.a basic function The most basic function of a home is to provide shelter.a useful function A rule must serve a useful function or there is no point in following it.a special/particular/specific function Each part of the machine has a special function.a vital/essential function Fire has a vital function in the forest, in that many seeds will never begin to grow without it.the main/primary function The main function of a business is to make money.a dual function (=two purposes) School has a dual function: to educate children and help them to become good citizens.different/separate functions The two types of cell have very different functions.normal function Alcohol affects the normal function of the brain.bodily functions (=eating, breathing, going to the toilet, etc.) The nervous system regulates our bodily functions.liver/lung/cell function Some drugs can affect liver function.a social/economic/political function Families perform an essential social function by raising children who can be good citizens.verbshave a function The two machines have different functions.serve/fulfill a function (=have a function) Singing seems to serve two functions for birds – defending territory and attracting females. Do speech and writing fulfill the same function?perform a function In her new role she will perform a variety of different functions. noun | verb functionfunction2 ●●○ AWL verb [intransitive] VERB TABLEfunction |
| Present | I, you, we, they | function | | he, she, it | functions | | Past | I, you, he, she, it, we, they | functioned | | Present perfect | I, you, we, they | have functioned | | he, she, it | has functioned | | Past perfect | I, you, he, she, it, we, they | had functioned | | Future | I, you, he, she, it, we, they | will function | | Future perfect | I, you, he, she, it, we, they | will have functioned |
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| Present | I | am functioning | | he, she, it | is functioning | | you, we, they | are functioning | | Past | I, he, she, it | was functioning | | you, we, they | were functioning | | Present perfect | I, you, we, they | have been functioning | | he, she, it | has been functioning | | Past perfect | I, you, he, she, it, we, they | had been functioning | | Future | I, you, he, she, it, we, they | will be functioning | | Future perfect | I, you, he, she, it, we, they | will have been functioning |
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