UNAIDS says about 24 percent of the adult population, aged 15 to 49, is infected with the AIDS virus.

VOA: standard.2010.05.10

So, my choice for this is that odd introduction in-between the two stories, and this is on 48 and 49.

因此，我的选择是那个故事的中间,的那篇奇怪的介绍，在48页和49页。

耶鲁公开课 - 1945年后的美国小说课程节选

It's a small city. It's only 49 square miles, seven hundred thousand people.

这城市不大。只有49平方英里，70万人口。

旧金山的公共交通 - SpeakingMax英语口语达人

Since the 49-year-old suffered catastrophic injuries after separate accidents, he has constantly asked for one thing: the right to die in peace.

VOA: standard.2009.08.14

Oedipa Maas in Crying of Lot 49 will sit up on a bluff overlooking San Narciso, and she'll look down at the pattern of light.

拍卖第四十九批》里的奥狄芭·马斯也会坐在悬崖上,俯看纳西索，看各式的光。

耶鲁公开课 - 1945年后的美国小说课程节选

Last week Rio Tinto, the world's second-largest iron ore exporter, reported a 49 percent gain in fourth-quarter output.

VOA: standard.2010.01.21

So the benefits turned out to be only $49.5 million and so they didn't install the device.

收益最后只有4950万,因此他们没有安装该装置。

耶鲁公开课 - 公正课程节选

Mr.Netanyahu enjoys a 49 percent approval rating, according to the poll published in the Israeli newspaper Ha'aretz.

VOA: standard.2009.07.03

49 That turns out to be negative 349.

结果是负的。

麻省理工公开课 - 固态化学导论课程节选

"Last week,as reported, and 49 others went missing, presumed drowned in the Gulf of Aden,".

VOA: standard.2009.09.26

I feel that as absolutely at the heart of the Muslim tradition 9 perhaps most beautifully articulated in Soura 49 that God made us in different nations and tribes so we may come to know one another.

我觉得这绝对是,穆斯林传统的核心所在,而这在Soura，49中有最美的表达9,上帝将我们创造为不同的民族和部落,因此我们可以逐渐了解彼此。

普林斯顿公开课 - 人性课程节选

And Brown notes that even among members of the president's own Democratic Party, only 49 percent of voters say the Nobel Committee made the right choice.

VOA: standard.2009.12.10

For example, we had a recession that started here -I believe that was '48--and then it ended in '49.

比如我们来看这一次衰退,大概从48年开始,于49年结束

耶鲁公开课 - 金融市场课程节选

He says only 49 percent of Democrats, the president's own party, support the prize.

VOA: standard.2009.12.10

I still want to tell this story," and he does it in a kind of roundabout way. And this is on page 49.

我还是想要告诉人们我的故事,他用一种迂回的方式这样做了，这是在49页。

耶鲁公开课 - 1945年后的美国小说课程节选