ninetieth
['naintiiθ]
num.第九十
例句与用法：
Over ninety countries ratify an agreement to ban the use of these chemicals.
九十多个国家批准了一项禁止使用这些化学品的协议。
Mr Hobbs has had several severe illnesses in the last few years, each of which could easily have finished him off. But he's like a cat with nine lives and will probably live to see ninety.
在最近几年中，霍布斯先生得了几次重病，每次都可能容易地夺去他的生命。但是，他却像有九条命的猫，很有可能活到90岁。
He must be going on for ninety.
他准有九十岁了。
He was born in the nineties of the nineteen century.
他生于十九世纪九十年代。
词形变化：
名词复数: nineties |
详细释义：
a.
第九十的; 九十分之一的
n.
第九十; 九十分之一