The findings suggest that even a half-hour walk at a quick speed every day could lower the risk of cognitive impairment.

VOA: special.2011.07.27

And now it is quite a regular experiment you can take any view you can hop to the scanner in half an hour.

如今，这是一个较为常见的试验,任何东西，只要你可以放进扫描仪，在在半小时之内便可以得到其视图。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

and a lot of other people show up and then they... a half hour after that they draw names out.

很多人都会来。半个小时后，他们抽取名字。

实惠的歌舞剧 - SpeakingMax英语口语达人

I watched it for perhaps a half-hour until my curiosity got the better of me.

VOA: special.2009.12.07

.. Let me give you a sense of, in the next half an hour and so, a sense of what you expect in this class.

我再来讲讲，接下来的半小时，我会向你们介绍下这门课的内容。

哈佛公开课 - 幸福课课程节选

A tension headache can last from a half hour to a whole week.

VOA: special.2010.03.30

You thought about it maybe for a half an hour.

你想了大概半个小时。

耶鲁公开课 - 死亡课程节选

Stephen Mbugua has a farm a half-hour's drive from the capital.

VOA: special.2009.11.02

But I needed a full half hour before I walked into the office before I felt comfortable that I could talk to him about what happened overnight, what was in the newspaper, what his day was gonna be about.

但是在进入办公室前,我需要准备半个小时,然后我才可以,和布什谈话,谈论晚上发生的事，报纸刊登的东西，和他的一天要处理些什么。

普林斯顿公开课 - 国际座谈会课程节选

His opponent would speak for an hour and a half.

VOA: special.2009.06.11

you would probably spend at least an hour or an hour and a half on each floor.

每层楼你大概要看一个或者一个半小时。

大都会艺术博物馆 - SpeakingMax英语口语达人

The operation took only a half hour.

VOA: special.2010.06.24

Do you have to see them for a half hour?

需要看半小时吗？

耶鲁公开课 - 心理学导论课程节选

A half hour later,it happened.

VOA: special.2010.05.01

and he set aside a couple of, like, one and a half-hour long appointments.

我们约定了两三次见面的时间，每一次都有一个半小时长。

与教授的面谈 - SpeakingMax英语口语达人

During the two-and-a-half hour moon walk, the astronauts frolicked in the weightlessness of outer space and planted an American flag in the lunar surface.

VOA: standard.2009.07.16

They each have about a half an hour or 45-minute lessons.

他们每个人都有大概一小时或四十五分钟的课。

和钢琴老师 - SpeakingMax英语口语达人

The Satellites followed with an hour and a half of inspired play defending as a unit and attackingwhen merited, and holding the feared Brazilian attack despite their numerical disadvantage.

VOA: standard.2009.10.17

The president would spend at least a half hour going over what happened overnight, what the intelligence community was picking up about threats to the country.

总统至少要花半个小时,来了解过去一晚发生的事情，了解情报局选取的,可能威胁国家的信息。

普林斯顿公开课 - 国际座谈会课程节选

"They land over there for half an hour,". "I feel a lot of the flash of the cameras that a lot of people come and they pictures me and feel the flash of the cameras."

VOA: standard.2009.07.28