adult

🇬🇧/ˈædʌlt; əˈdʌlt/ 🇺🇸/əˈdʌlt; ˈædʌlt/📚 7679 47 4四级考研雅思高考
An adult is a mature, fully developed person. An adult has reached the age when they are legally responsible for their actions. 成年人

noun [专属名词]成年人或动物

Becoming a father signified that he was now an adult.
成为一名父亲意味着他现在是一个成年人了。

adjective [原级]成年的,发育成熟的;成人的,理智的;(电影、杂志等)仅限于成人的

I've lived most of my adult life in Arizona.
我已在亚利桑那州度过了我大部分的成年生活。

verb [vt. 及物动词]<非正式>像成年人一样表现;<非正式>变成熟

Children must be accompanied by an adult.
儿童必须要有大人陪同。

adult 出现在下面的课文中
Episode 7 Man's Best Friend ACT III
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