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

In the United States, the legal age to drink alcohol is twenty-one -- one of the highest in the world.

VOA: special.2009.04.02

He was one of only twenty-three senators who voted in two thousand two against supporting the invasion of Iraq.

VOA: special.2009.09.13

In one area was a blank canvas that had been waiting twenty-five years for the first line of paint.

VOA: special.2009.08.01

During one week in nineteen forty-eight, poisonous air in a nearby town killed twenty people and sickened six thousand others.

VOA: special.2009.07.13

Rosalyn Schanzer shows readers the young man who was only twenty-two years old when he left Plymouth,England in eighteen thirty-one.

VOA: special.2009.02.27

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

One of the most famous, and in some ways the most frightening, is the nineteen twenty-two film "Nosferatu."

VOA: special.2010.01.20

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

One of the Millennium Development Goals is to reduce by half the number of people living in extreme poverty by twenty fifteen.

VOA: special.2010.04.26

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

But rates in the United States have increased by more than one-third in the last twenty-five years.

VOA: special.2009.10.26