Susan: Yes. Yesterday was her birthday. She's eighty-one.

苏珊：是的，昨天是她的生日。她八十一岁了。

youdao

In nineteen eighty-one she began coaching women’s national teams.

在1981年，她开始执教国家女子篮球队。

youdao

That was where he lived with Sadie Juran, his wife of eighty-one years.

这是在他所住的萨迪·朱兰，他的妻子的八十一年。

youdao

A study in the United States found that eighty-four percent of undergraduates last year had at least one credit card.

VOA: special.2009.05.28

They play so rarely, and then it's so important when they do play, they'll be out there: seventy-eight-two, seventy-nine-two, eighty-two, eighty-one-two-- You've got to count forever.

他们演奏的机会很少,因此每次演奏都很重要,到时候,他们就会这样,七十八-二,七十九-二,八十-二,八十一-二,得一辈子数下去

耶鲁公开课 - 聆听音乐课程节选

Over that eighty-one year period you would have gotten a multiple of seventy-two.

经过81年时间,你翻了72倍

耶鲁公开课 - 金融市场课程节选

In 2008, eighty-one percent of seniors indicated they were engaged in the presidential race.

FORBES: Voter Enthusiasm Gap The Real Challenge To Obama Re-Election

Eighty-one percent say they access cloud apps for work-related purposes from their own personal devices.

FORBES: Seven out of 10 Cloud Applications Not Sanctioned by IT Departments: Is This a Bad Thing?

In the first three months, the Times attracted two hundred and eighty-one thousand digital subscribers.

NEWYORKER: Changing Times