adult:

a.

成年的,成熟的

n.

成年人

Examples:

1.

These

films

are

suitable

for

adults

only.

这些电影只适宜成人观看。

2.

His

behavior

is

not

particularly

adult.

他的举止行为还不太成熟。

3.

He

spent

his

adult

life

in

Canada.

他成年时期是在加拿大度过的.

4.

Children

unaccompanied

by

an

adult

will

not

be

admitted.

儿童无成人带领不得入内.