ninety是比较严谨标准的90的表达方法，各大官方课本都会用ninety来表达；而ninty则更像是俚语口语中90的表达方法，在一些词典、Google和搜狗输入法中都并不支持此拼法。

ninety的例句有哪些

The meeting was held in Jack Crumbly's barbeque place in Forrest City, about ninety miles east of Little Rock.

会议在福雷斯特城中一家叫杰克.克拉姆布利的烧烤餐馆里举行，福雷斯特城在小石城向东大约90英里。

Her score was two hundred ninety-five. She was the first female golfer to score lower than three hundred in a seventy-two hole tournament.

她的得分是295杆，她是72洞高尔夫比赛中第一位得分低于300杆的女性。

A great-grandmother of mine lived to age of ninety-two, and to her last day remained a terror to all her descendants.

我的曾祖母是吉本的朋友，她活到九十二岁高龄，一直到死，她始终都让子孙们颇感敬畏。

At the age of ninety-one, Mr. Brick became seriously ill and went to see a doctor in Montrose.

布瑞克先生在九十一岁那年生了重病，到蒙特罗斯去看医生。