成人的英文：
adult

参考例句：

To nourish and bring it up to manhood
养育成人

The boy eats like a grown-up.
那男孩的食量像个成人。

university extention
大学的附设部分(如成人业余教育,夜大学等)

Adult stem cells are thought by scientists to be less versatile than their embryonic equivalents
在科学家看来，成人干细胞没有胚胎干细胞那样神通广大。

He asked me to brainstorm the essay and adult recommendation with him a full two weeks before the application was due.
在申请截止期前的两个星期，他就请我同他一起讨论如何准备个人自述和成人推荐信。

Grown-up movies
成人电影

Grow up; grow older
长大;成人;崛起

Once a man and twice a child
一次为成人,两度当小孩

It is not unusual for grown adults to act in an adolescent way.
成人表现出青春期的样子是不正常的。

Free children admission with full paying adult
卖成人票,儿童免费。

adult是什么意思：
adj. 成熟的；成年的
n. 成年的人或动物

These films are suitable for adults only.
这些电影只适宜成人观看。

Children unaccompanied by an adult will not be admitted.
儿童无成人带领不得入内.

The bear was a fully grown adult.
那只熊已完全发育成熟。

In the eyes of the law you are not an adult.
从法律的角度看你还没有成年。

Meeting adults embarrassed the shy child.
和家长见面使得这个害羞的孩子很尴尬。