a person who has reached the age of majority

• a fully grown animal

达到法定成年年龄的人

• 完全成年的动物

fully grown

• suitable for or restricted to adults, not children
• intended for mature audiences due to complex or serious themes
• governed by legal age limits, such as alcohol or cannabis

完全成熟的

• 适合或仅限成年人，不适合儿童
• 因复杂或严肃主题而面向成熟受众
• 受法定年龄限制，如酒精或大麻

to behave responsibly like an adult

• to become an adult

像成年人那样负责任地行事

• 成为成年人