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
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