1530s (but not common until mid-17c.), from Latin adultus "grown up, mature, adult, ripe," past participle of adolescere "grow up, mature" (see adolescent). As a euphemism for "pornographic," it dates to 1958 and does no honor to the word.
adult (n.)
"adult person," 1650s, from adult (adj.).
双语例句
1. I tried to understand the adult world and could not.
我试着去了解成人世界，却无法猜透。
来自柯林斯例句
2. Which adult in these children's lives will provide the nurturing they need?
这些孩子生活中的哪个成人会为他们提供所需的养育呢？
来自柯林斯例句
3. His adult life mirrored the downward course of his father's life.
他成年后的生活反映出了他父亲的生活在走下坡路。
来自柯林斯例句
4. As an adult, you can assess the situation realistically.
作为一个成年人，你能现实地评估局势。
来自柯林斯例句
5. The average adult man burns 1,500 to 2,000 calories per day.