The United States halted air travel for three days after the terrorist attacks in two thousand one.

VOA: special.2010.04.23

so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.

因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。

麻省理工公开课 - 固态化学导论课程节选

I have to study for three tests and I have one paper to write.

我得准备三门考试，还得写一篇论文。

I don't know 实战 - SpeakingMax英语口语达人

She suggests that students budget at least one thousand three hundred dollars for a nine-month school year.

VOA: special.2009.05.21

There are some relative, the notion that the energy gap between n equals one and n equals two is greater than that for n equals two to n equals three. That is correctly represented.

还有很多与之相关的内容，比如说这个观点，第一能量级和第二能量级,之间的能量差要大于第二和第三能量级间的,能量差，而这已经被正确地表示出来了。

麻省理工公开课 - 固态化学导论课程节选

In one study,infected mothers began to take three anti-H.I.V.drugs while breastfeeding for up to six months.

VOA: special.2009.07.29

Do not think of a pink elephant for the next three seconds ? and I am sure no one thought of a pink elephant right?

在接下来的十秒钟里不要想粉色大象,我肯定没有人想一头粉色大象，是吗？

哈佛公开课 - 幸福课课程节选

Westminster has been awarding prizes to special show dogs for one hundred thirty-three years.

VOA: special.2009.02.23

So the--the ingredient label looks like that, the ingredient label for this looks like that; and so forty-three ingredients in one and one ingredient in another.

奇多的成分表差不多就是这样的,而它的成分表是这样的,一个含四十三种成分,另一个只含一种

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In nineteen sixty-three, Benny returned to Broadway for the first time since nineteen thirty-one.

VOA: special.2009.10.11

Lewis structure for N2 is one, two, three, four, five.

氮有五个电子，一二三四五。

麻省理工公开课 - 固态化学导论课程节选

The American artist Cy Twombly is one of only three modern artists who have been asked to make a permanent piece of art for the Louvre.

VOA: special.2010.06.23

The Montgomery bus boycott continued for three hundred eighty-one days.

VOA: special.2009.03.08

"Historically, during our last two recessions in ninety-one and two thousand one it's taken twenty-three months in ninety-one and about thirty-six months, three years,in our last recession in two thousand one for the United States to regain the jobs lost in the recession."

VOA: special.2009.11.06

Scott says that waiting in line for three hours was worth it to hold one of the medals.

VOA: standard.2010.02.16

"A very sobering statistic is that for every one person that we put on therapy, two to three people get newly infected."

VOA: standard.2010.07.17

For five years, the three women have shared a house and their lives while serving in one of the most prominent and fast-paced careers in Washington.

VOA: standard.2010.08.07

Anna Willard of the United States is one of three Americans to make the 400-m finals and she told VOA Sports about her plan for Sunday.

VOA: standard.2009.08.22

Specter has shown his independence as a Republican,most recently by becoming one of only three members of his party to vote for President Obama's economic stimulus package.

VOA: standard.2009.04.28

Three years later, he was one of four recipients of the Grammy Award for Best Traditional Blues Album, "Last Of The Great Mississippi Delta Bluesman: Live In Dallas."

VOA: standard.2010.07.20

In Spain,for example, more than one in three young workers are unemployed.

VOA: standard.2009.09.16

All three roommates are up for reelection in the fall, but Melissa Bean says even if one or more of them were to lose, that would not affect their friendship.

VOA: standard.2010.08.07

In the course of one concert, we play for a larger live crowd than all but I think two or three orchestras in the entire country play for, over the entire year.

VOA: standard.2010.07.28

The study also says American children eat an average of three snacks a day on top of three regular meals, and the snacks account for almost one third of their daily calories.

VOA: standard.2010.03.09

This is a surprise,". The Front for Democracy Defense,or FNDD, is one of three principal parties involved in negotiating an end to the crisis, along with the military government and a third political party that formed the main opposition group before the coup.

VOA: standard.2009.03.12