名词: adulthood US: [ˈædʌltˌhʊd] UK: [ˈædʌltˌhʊd] n. 成年 Web 成年期；成人期
adult 高中必修500 全国卷频次:14 教材出处:译林版必修B1U2
n. adults 9
Talk to trusted adult, such as parent or other relatives.
A recent study showed that two out of five adults now consider the environmental safety of a product before they buy it.
Some people live with their elderly parents; many more adult children are returning to the family home, if they ever left.
Why did the author feel bitter about her father as a young adult?
1. a fully grown person who is legally responsible for their actions
SYN grown-up :
Children must be accompanied by an adult.
Why can’t you ten act like civilized adults?
2. a fully grown animal
The fish return to the river as adults in order to breed.
1. fully grown or developed
preparing young people for adult life
the adult population
2. behaving in an intelligent and responsible way; typical of what is expected of an adult
SYN grown-up :
When my parents split up, it was all very adult and open.
3. [only before noun] intended for adults only, because it is about sex or contains violence
an adult movie
⇨ see also adulthood
Some children find it difficult to talk to adults.
2 a fully-grown animal 成年动物
The adults have white bodies and grey backs.
adult2 ●●● W3 AWL adjective
1 [only before noun] fully grown or developed 发育成熟的，成年的
an adult lion
the adult population
He lived most of his adult life in Scotland.
2 typical of an adult’s behaviour or of the things adults do 成人的；老成的，成熟的
dealing with problems in an adult way
That wasn’t very adult of you.
3 [only before noun] adult films, magazines etc are about sex or related to sex 〔电影、杂志等〕仅限于成人的〔因涉及性〕
The film is rated R for language and adult themes.
Origin adult2 (1500-1600) Latin past participle of adolescere “to grow up”
1.N-COUNT 可数名词（法律意义上的）成年人 An adult is a mature, fully developed person. An adult has reached the age when they are legally responsible for their actions.
Becoming a father signified that he was now an adult…
Children under 14 must be accompanied by an adult.
2.N-COUNT 可数名词成年动物 An adult is a fully developed animal.
【搭配模式】：oft N n
…a pair of adult birds.
3.ADJ 形容词成年的；属于成人的 Adult means relating to the time when you are an adult, or typical of adult people.
I’ve lived most of my adult life in London.
4.ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词成熟的；老成的 If you say that someone is adult about something, you think that they act in a mature, intelligent way, especially when faced with a difficult situation.
We were very adult about it. We discussed it rationally over a drink.
…dealing with emerging sexuality in an adult way.
5.ADJ 形容词（涉及性内容的电影或书籍）仅限于成人的 You can describe things such as films or books as adult when they deal with sex in a very clear and open way.
…an adult movie.
plural adults [count] : a fully grown person or animal成年人；成年动物
Her books appeal both to children and to adults.
Children must be accompanied by an adult in the museum.
Only adults can purchase alcohol.
This film is for adults only. Minors are not admitted.
People who are close friends as children aren’t always friends as adults.
studying interactions between young birds and adults
2 adult /əˈdʌlt/ /ˈæˌdʌlt/ adjective
always used before a noun except in sense 2
: fully grown and developed成年的；发育成熟的
an adult student/learner
I’ve worked here all of my adult life. [=I’ve worked here since I became an adult] 成年以后我一直在这里工作。
preparing children for adult life
[more adult; most adult] : mature and sensible : not childish成熟的；理智的
We need to approach this in an adult way.
an adult decision/choice/responsibility
: of or intended for adults（为）成人的
: dealing with sexual material成人的；与性有关的
— adulthood /əˈdʌltˌhʊd/ noun, plural adulthoods
[noncount] preparing children for adulthood
[count] preparing children for their adulthoods