For the past year, the World Food Program has operated a project to prevent hunger in twenty-one countries in Africa.

VOA: special.2009.11.17

We wanted this to be a twenty shilling coin but now in the market it's trading at twenty-one.

我们希望它是一个值二十先令的硬币,但现在它在市场上以二十一个先令的价值来交换。

耶鲁公开课 - 金融市场课程节选

The richest one percent in both sections, put another way, held twenty-seven percent of all the wealth.

南北两方的最富有的百分之一人口,换句话说,占有总体财富的百分之二十七

耶鲁公开课 - 美国内战与重建课程节选

Politics and public policy issues were avoided until the New England Courant was published in Boston in seventeen twenty-one.

VOA: special.2009.04.20

They started out as a they just minted the amount in one coin which they thought was equivalent to twenty shillings.

他们开始时只将他们认为的,等同于二十先令的数量的金子,铸入一个硬币。

耶鲁公开课 - 金融市场课程节选

For example, in nineteen twenty-one, a Swiss doctor, Walter Morgenthaler published a book about the art of his patient, Adolf Wolfli.

VOA: special.2010.04.14

If you collapse data, as we did in this one paper, across all developed and developing countries here's what we're expecting in the next twenty-five years.

如果想改变这个情况,就像这页幻灯片中指出的,改变所有发达国家和发展中国家,对未来二十五年的情况的预期

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Currently,more than twenty-one thousand nurses who trained in the Caribbean are working in the United States, Canada and Britain.

VOA: special.2010.06.07

And in 2004, it was twenty-one and a half.

在2004,是21.5

耶鲁公开课 - 博弈论课程节选

Let us begin the Olympics,thank you." About one thousand competitors from twenty-six states and Canada took part in the event.

VOA: special.2009.08.23

One of the real surprising findings in my field over the last ten/twenty years has been that the acquisition of sign languages has turned out to be almost exactly the same; in fact, as far as we know, exactly the same as the acquisition of spoken languages.

过去的十到二十年间,在我的研究领域里最令人吃惊的发现之一就是,各种手语的获得过程,被证明几乎是完全相同的,实际上据我所知,和口语语言的获得过程是完全相同的

耶鲁公开课 - 心理学导论课程节选

But in the western United States, there are highways where the speed limit is one hundred twenty-five kilometers an hour.

VOA: special.2010.04.26

Now Milton was born in 1608 and he wrote the Nativity Ode along with the Sixth Elegy, the Elegia Sexta, that we read for today in December of 1629, a couple of weeks presumably after he turned twenty-one.

弥尔顿出生于1608年,并于1629年12月写下《圣诞清晨歌》,《第六挽歌》和《Elegia，Sexta》,大概是他刚过21岁后两周。

耶鲁公开课 - 弥尔顿课程节选

Post would fly the plane. On June twenty-third,nineteen thirty-one, Post and Gatty took off from Roosevelt Field in New York.

VOA: special.2011.04.27

In nineteen twenty-one, Mallory was part of the team sent by the British Royal Geographical Society and the British Alpine Club.

VOA: special.2010.06.30

At least three Indian tribes were living in the area that became Charleston when Spanish explorers arrived in Fifteen-Twenty-One.

VOA: special.2010.10.04

Digging at Pit Ninety-One was recently suspended in order to pay closer to attention to a new discovery called Project Twenty-Three.

VOA: special.2010.04.07

In eighteen twenty-one, Mary Lyon went to another private school where she was taught by Reverend Joseph Emerson.

VOA: special.2010.06.27

The Group of Twenty agreed to finance one trillion dollars in additional loans and credits for struggling countries.

VOA: special.2009.04.04

The United States is one of twenty-five countries where farmers planted genetically engineered crops in two thousand nine.

VOA: special.2010.04.27

At the age of twenty-one, she won a national contest to design the Vietnam Veterans Memorial in Washington,D.C.

VOA: special.2009.05.06

The Environmental Protection Agency estimates that twenty-one percent of asthma cases in the United States have links to mold and dampness in homes.

VOA: special.2010.09.07

The Copenhagen Accord sets a goal of one hundred billion dollars a year in aid to help poor nations with climate control by twenty-twenty.

VOA: special.2010.01.19

On July thirty-first, the ship traveled six hundred and one kilometers in only twenty-four hours.

VOA: special.2009.12.23

Nowadays the average company in the Middle East takes twenty-one days to start a business.

VOA: special.2010.05.10

They found that twenty-one percent of the papers published in those journals had honorary authors.

VOA: special.2009.10.08

Stanford was one of twenty-one American universities that took part in the contest this year.

VOA: special.2010.03.11

In nineteen ninety, there were two hundred twenty-five deaths for every one thousand live births.

VOA: special.2009.09.28

The rate is one in every one thousand two hundred births at age twenty-five.

VOA: special.2009.09.09

When he was twenty-one, he went to search for gold in Alaska and Canada.

VOA: special.2010.05.21