adult
单词辨析：
指人或动植物发育成熟的；通常也指小孩或年轻人在性格、情感方面趋于成熟、明白事理的。
She is tall and more physically mature than many girls of her years.
她个子很高，而且比很多同龄女孩发育成熟。
There are several mature apple trees in her garden.
她的花园里有几棵成熟的苹果树。
When is the human brain fully mature?
人的大脑何时完全发育成熟？
That young man is very mature for his age.
那个年轻人就他的年龄来说算是很成熟的。
指人或动物生理上发育成熟的，只作定语；也指待人接物具有成年人特点的。
This is an adult tiger.
这是一只成年的老虎。
He spent most of his adult life in Paris.
他成年后的大部分时间是在巴黎度过的。
She dealt with this problem in an adult way.
她以成人的方式处理这个问题。
指已长成大人的，或外表举止像成年人的。
Most American children will leave home after they are grown-up.
多数美国孩子长成大人后会离家而去。
He looked so grown-up in his business suit.
他穿上西装看起来成熟多了。
多指水果、蔬菜等成熟的，也可引申指时机成熟的。
Don't pick those apples until they are ripe.
那些苹果没熟之前不要摘。
They decided to wait until the time was ripe.
他们决定等到时机成熟再说。
相关例句：
He had turned into an embittered, hardened adult
他已经变成了一个愤世嫉俗、冷酷无情的成年人。
He is adult in behavior.
从行为上看，他已成熟了。
Most adult education centres offer computing courses.
大多数成教中心都设有计算机课程。
The pupae remain dormant in the soil until they emerge as adult moths in the winter.
蛹蛰伏在土壤中，直到冬天它们才蜕变成蛾子飞出来。
Offering advice on each and every problem will undermine her feeling of being adult
对每个问题都给出建议会令她觉得自己不像个成年人。
The boy has reached an adult age and ought to be earning his own living.
这孩子已经（到了）成年，应该自食其力了。