• adj. 成年的；成熟的
• n. 成年人

前綴ad-, 去，往。詞根ol, 成長. -t,過去分詞后綴。

adult (adj.)

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.).

1. I tried to understand the adult world and could not.

我試著去了解成人世界，卻無法猜透。

來自柯林斯例句

2. Which adult in these children's lives will provide the nurturing they need?

這些孩子生活中的哪個成人會為他們提供所需的養育呢？

來自柯林斯例句

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親的生活在走下坡路。

來自柯林斯例句

4. As an adult, you can assess the situation realistically.

作為一個成年人，你能現實地評估局勢。

來自柯林斯例句

5. The average adult man burns 1,500 to 2,000 calories per day.

普通成年男子每天消耗的熱量為1,500到2,000卡路里。

來自柯林斯例句