eighteen
['ei'ti:n]
num. 十八
例句与用法：
The age of majority is eighteen.
成年的法定年龄是18岁。
A pension is not usually one of the preoccupations of an eighteen year-old!
一个十八岁的人通常是不会老惦记着养老金的！
I was eighteen on my last birthday.
我已经过了18周岁了。
The champion is leading by eighteen seconds.
该冠军领先十八秒。
She dolled herself up as though she was a girl of eighteen.
她打扮得花枝招展，好像是个十八岁的姑娘似的。
My daughter is eighteen years old and has grown into a beautiful lady.
我的女儿十八岁了，已经长成为美丽的淑女。
详细释义：
n.
1. 十八[C]
Two times nine makes eighteen.
二乘九等于十八。
2. 十八个; 十八人[K]
3. 十八点; 十八分; 十八岁[U]
She is eighteen now.
她现在十八岁了。
a.
1. 十八的; 十八个的; 十八人的
There are eighteen students in that classroom.
那教室里有十八个学生。
2. 十八岁的[F]