成年人的英文怎么说

成年人的英文：
adult

The major was very studious of his appearance.
成年人十分注意自己的外表。

It meant the phylogenetic and ontogenetic development of human adult behaviour
它意指成年人行为的系统发育与个体发育的发展。

Why were grown-ups always so stuffy and slow to recognize good ideas?
为什么成年人总是那么一本正经，对好点子反应那么迟缓呢？

[ Administration and dosage]Adults: 1 tablet, 3 4 times daily.
[服法与剂量]成年人:每次l片,1日3～4次。

I'm already a major.
我已经是个成年人了。

Mature subject matter.
成年人考虑的问题

The attitude of grownups has changed.
成年人的态度已有了转变。

Many adults also have some acne easily.
成年人也很容易得痤疮。

Children pick up foreign languages easier than adults.
孩子们学外语比成年人容易。

Grown-ups often look back to the old days.
成年人常常回想过去的日子。

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。