But he points out that technology has also made new music available to people all over the world twenty-four hours a day.

VOA: special.2010.07.19

There's twenty-one days, there's thirty days, there's twenty-four hours. Now look at this!

有二十一天法,三十天法,二十四小时法,还有这个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A food frequency--by the way, you also have the issue of whether the particular twenty-four hours that a person is interviewed is representative of their diet overall, because you can imagine how much your food intake varies from day to day.

食物摄取频率,顺便说下,还有一个问题,就是在选取的24小时里,测试者,是不是对总体有代表性,因为你可以想象,每天事物的摄入量都是不同的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Coast Guard Admiral Thad Allen said Friday that twenty-five thousand barrelswere captured in the past twenty-four hours.

VOA: special.2010.06.19

One is called the twenty-four hour recall and that's either done by a computer, or done by a trained interviewer who would sit down with you and say, 'Let's reconstruct everything you've eaten in the last twenty-four hours.' And so then you have to recollect everything you ate in the last twenty-four hours.

其中之一被称为24小时回顾法,可由计算机完成,也可以由专业测试人员,坐在你面前并对你说,"让我们记录所有,最近24小时你所吃的东西",然后你需要回忆,最近24小时内吃了什么

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The team then compared those records to weather conditions in the twenty-four hours before the hospital visits.

VOA: special.2009.03.18

You drive your car in, it shows you by the arrows where you go, you stop at window one to make your order and pay, and then you go to window two to collect your food, and they're open twenty-four hours.

你开车进来,沿着箭头指示,直到第一个窗口停下,点单,付账,再开到第二个窗口领取食物,他们是二十四小时营业的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"There is no way we can monitor the activities of each juror twenty-four hours a day.

VOA: special.2009.08.31

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

VOA: special.2009.12.23

There were none. The ship had traveled almost four hundred eighty kilometers in twenty-four hours.

VOA: special.2009.12.23

The Earth takes twenty-four hours to complete one full turn or revolution of three-hundred-sixty degrees.

VOA: special.2010.07.14

He would often play these games for more than twenty-four hours at a time.

VOA: special.2010.03.17

And that is a problem since there are only twenty-four hours in a day.

VOA: special.2010.06.04

Also,doctors are advised to discontinue the antibiotics within twenty-four hours after the surgery.

VOA: special.2010.04.21

Also,doctors are advised to discontinue antibiotics within twenty-four hours after the surgery.

VOA: special.2010.05.25

The robotic systems are designed to operate twenty-four hours a day.

VOA: special.2009.05.12

"This marks twenty-four hours since I'm stuck and chipping away.

VOA: special.2010.12.13