adult
A person who is fully grown and developed, typically someone who is 18 years of age or older. It is used to distinguish a mature individual from a child or a teenager.
例句
3 / 5The movie is for adults only.
The film is for grown-up people only.
All adults must present a valid ID upon entry.
Every person over 18 must show their identification to enter.
I don't feel like a real adult yet.
I do not feel like a mature person with responsibilities yet.
词族
记忆技巧
Think of 'Added-ULTra' responsibility. An adult is someone who has added the ultimate level of responsibility to their life.
快速测验
The museum ticket costs $10 for a child and $20 for an _______.
正确!
正确答案是: adult
例句
The movie is for adults only.
everydayThe film is for grown-up people only.
All adults must present a valid ID upon entry.
formalEvery person over 18 must show their identification to enter.
I don't feel like a real adult yet.
informalI do not feel like a mature person with responsibilities yet.
The research focuses on the health of young adults in the city.
academicThe study looks at the health of people in their early 20s.
Our target market consists of working adults aged 25 to 40.
businessOur customers are employed grown-ups between 25 and 40 years old.
词族
常见搭配
常用短语
act like an adult
to behave in a mature and sensible way
consenting adults
grown people who agree freely to do something together
adulting
performing the chores and responsibilities of a grown person (slang)
容易混淆的词
Adult is the person (noun), whereas adulthood is the state or time period of being an adult.
Adult refers to anyone over 18, while elderly refers specifically to very old people.
使用说明
The word 'adult' can be used as a noun (He is an adult) or as an adjective to describe things suitable for grown people (adult fiction). In some contexts, it can imply 'X-rated' or 'pornographic,' so be careful with usage in entertainment contexts.
常见错误
Learners often use the word 'grown-up' in formal essays; however, 'adult' is the more professional and standard term to use in writing.
记忆技巧
Think of 'Added-ULTra' responsibility. An adult is someone who has added the ultimate level of responsibility to their life.
词源
From the Latin 'adultus,' which is the past participle of 'adolescere,' meaning 'to grow up.'
语法模式
文化背景
In many English-speaking cultures, turning 18 is the legal threshold for becoming an adult, granting the right to vote and enter contracts.
快速测验
The museum ticket costs $10 for a child and $20 for an _______.
正确!
正确答案是: adult
相关语法
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father
A1A father is a male parent of a child. This term describes both the biological relationship and the social role of a man who raises and cares for his children.
dad
A1An informal and affectionate name for a father, used primarily by children or within a family context. It refers to a male parent who provides care and support for his offspring.
mother
A1A female parent who has given birth to or raised a child. It is also used more broadly to describe a woman who provides care, protection, and support to another person.
son
A1A male child or man in relation to his parents. It is a fundamental kinship term used to describe a direct male descendant in a family.
child
A1A young human being below the age of puberty or the legal age of majority. It can also refer to a son or daughter of any age in relation to their parents.
sister
A1A sister is a girl or woman who shares the same parents as another person. It can also refer to a woman who shares one parent or someone who is very close like a family member.
twin
A1A twin is one of two children born at the same time to the same mother. It can also refer to one of two things that are exactly the same or very similar.
baby
A1A baby is a very young human being, typically from birth until they start to walk. It is a general term for an infant who requires complete care and attention from adults.
toddler
A1A young child who is just beginning to walk, typically between the ages of one and three. This term describes the developmental stage between infancy and the start of preschool.
wife
A1A wife is a female partner in a marriage. It refers to a woman who is legally or formally joined to another person in a marital relationship.
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