World leaders agreed this week to protect all nuclear materials within four years to stop the possibility of nuclear terrorism.

VOA: special.2010.04.17

This is the end of week four.

这个第四周最后一次课。

哈佛公开课 - 计算机科学课程节选

But it's difficult, because you have to go there like four or five times a week.

但是要坚持学习真实太难了，你一周得去四、五次。

I used to实战 - SpeakingMax英语口语达人

Forty-four percent in a USA Today/Gallup Poll released this week approved of Barack Obama's handling of the issue.

VOA: special.2009.07.25

So this is a thing, Week Number Four, saw very commonly, which was -- this is something we saw commonly and there's a couple of issues here.

所以这是一件事，第四个，一般的分解，那是我们讲解的东西,这里有好几个问题。

哈佛公开课 - 计算机科学课程节选

This week,we visit four Web sites where students can learn about higher education in the United States.

VOA: special.2009.02.26

At some point, maybe a week later, four to eight days later, you would start to see antibody levels rise.

之后,或许一周之后,四天到八天之间,就可以看到抗体的浓度开始上升

耶鲁公开课 - 生物医学工程探索课程节选

One study involved sixty-eight healthy young women and men who ran at least twenty-four kilometers a week.

VOA: special.2010.02.03

Americans spend the most time out of any other people in the world volunteering in average four hours a week, volunteering outside their job which may also have a social objective more than any other people in the world.

比其他任何人所花的时间都多,平均每周有四个小时做志愿者的工作，做与自身工作无关的善事,他们比世界上其他人更具社会目标。

哈佛公开课 - 幸福课课程节选

By the thirty-fourth week, it could remember the sound for four weeks.

VOA: special.2010.11.30

In a help session what he might do typically is solve between four and eight problems that illustrate the key principle being talked that week.

在帮助课程中他一般会,解决4到8个问题,来阐明那一周教的关键原理。

麻省理工公开课 - 媒体、教育、市场课程节选

Six-week-old babies generally breastfeed seven to nine times in a twenty-four-hour period.

VOA: special.2010.08.04

I'm talking about four-week Treasury bills; 2.25% the Federal Funds Rate is still at 2.25% but at least the more prominent three-month T-bill rate is at the end.

我在谈论月国库券；,联邦基金利率仍在%,但是至少显著地,季度国库券利率还在最低端。

耶鲁公开课 - 金融市场课程节选

"Four of the expelled NGOs have taken advantage of this latter flexibility and this week completed initial registration processes in Khartoum,".

VOA: standard.2009.06.11

We practice six days a week, usually, you know, three to four hours a day,

通常我们每周练习六天，你知道，每天三到四个小时，

赛艇项目很流行 - SpeakingMax英语口语达人

"Last week European markets fell sharply by three to four percent and that created a domino effect in global equity markets.

VOA: standard.2010.05.17

If I want a copy of the string, I've got to whip out my week 1 skills of just iterating with a four loop from left to right and make copies of those characters.

我需要那个字符串的一个拷贝，我使用,第一周的技巧，从左到右做四次迭代,然后复制这4个字符。

哈佛公开课 - 计算机科学课程节选

"The four telephone surveys have reported less than one percent of the respondents had watched TV Marti over the past week.

VOA: standard.2009.06.18

In the last week the Treasury bill rate on the United States four-week Treasury bill which is the standard 0.2% essentially three month it fell to 0.2%.

上周，美国月国库券的,国库券利率,一般作为标准来看,本质上，在三个月内，跌落到。

耶鲁公开课 - 金融市场课程节选

And the Treasury Department reached a $2 billion deal earlier in the week with four banks that hold most of Chrysler's debt.

VOA: standard.2009.04.30

The company's shares recently dropped to a four-week low.

VOA: standard.2009.10.15

Last week the extremist leader's top spokesman, Muslim Khan was captured with four other militant commanders and military officials say information obtained from the detainees has helped the subsequent raids in Swat.

VOA: standard.2009.09.14

Major Nidal Malik Hasan is conscious and able to talk, according to Army officials overseeing his care following last week's incident in which the suspect was shot four times by a civilian police officer.

VOA: standard.2009.11.10

You got four full weeks of vacation - twice the usual paid time away - and editors got a week of company-paid educational travel to anyplace they wanted to go in the country.

VOA: standard.2010.03.08