Word · CEFR A2 · Frequency #1236
adult
成年的；成熟的
Fully grown or developed; mature.
- 1.
Fully grown.
- 2.
Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.
- 3.
(of animals) fully developed
(动物)发育成熟的
成人的；面向成人的；(动物)发育成熟的；成年的；成熟的
In use
Only adult passengers are allowed to enter the duty-free shop.
The adult cat is much larger than the kitten.
This is an adult education program for people who work during the day.
an adult animal
be + adult
She is now an adult.
她现在成年了。
adult + noun
作定语时表示'成人的、成年的'。
adult education programs
成人教育项目
Common mistakes
He is adulthood.
Connections
Collocations
- adult population
- 成年人口
- The adult population of the city has grown steadily over the past decade.过去十年里，这座城市的成年人口稳步增长。
- adult life
- 成年生活
- She has lived abroad for most of her adult life.她成年后的大部分时间都生活在国外。
- adult education
- 成人教育
- He signed up for an adult education class to improve his computer skills.他报名参加了成人教育课程，以提高自己的计算机技能。
- adult stage
- 成年期
- The butterfly's adult stage lasts only a few weeks.蝴蝶的成年期只持续几周。
- adult supervision
- 成人监护
- Children should use the pool only with adult supervision.孩子们只有在成人监护下才可使用游泳池。
Idioms & figurative uses
Learner notes
Memory Tip
联想：adult 开头是 ad（广告），广告有时标“仅限成人”，由此记住 adult 是“成年的/成熟的”。
Context & Register
语域：neutral 常见场景：biology/zoology writing、formal descriptions of animals 表示动物已发育成熟、成体时，多用于生物学或动物学等较正式的书面语境；口语中也可使用，整体语域中性偏正式。
Pronunciation & Spelling
adult 读 /əˈdʌlt/，-ult 发 /ʌlt/。result、insult、consult、cult 的 -ult 也发 /ʌlt/，与 adult 押韵；fault、assault 的 -ult 虽然拼写相同，但 ault 发 /ɔːlt/，读 /fɔːlt/、/əˈsɔːlt/，与 adult 不押韵。
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.