Banks says younger viewers are more vulnerable. "When you hit your 50s and 60s, we think that concern is going to be reduced."

VOA: standard.2010.02.21

Southerners shared with Northerners a faith in progress, if you breathed the air in American in the 1840s and '50s.

南方人和北方人对发展有共同的信念,十九世纪四五十年代的美国就是例子

耶鲁公开课 - 美国内战与重建课程节选

where all the beats, the b-generation in the 50s gathered and they used to sell banned books.

那里全是50年代时的反传统一代留下的书，那些书当时是禁书。

进步的旧金山 - SpeakingMax英语口语达人

Last fall we turned down temperatures,down into the 50s in this greenhouse, which initiates flower buds."

VOA: standard.2010.02.21

So you get this image of her as this stereotypical '50s housewife going to Tupperware parties.

从这里你能看到一个典型的去特百惠派对的50年代,家庭主妇的形象。

耶鲁公开课 - 1945年后的美国小说课程节选

through the '40s and '50s with Art Blakey and Thelonious Monk;

VOA: standard.2009.12.25

I think the smallpox vaccine we made now would probably be better, more effective, and safer than the vaccines we made in the '50s.

我相信若我们现在制造天花疫苗,应该会比五十年代的更有效更安全

耶鲁公开课 - 生物医学工程探索课程节选

"I'm in my 50s, and I went to see him at the Forum here in California , I believe it was about 1969, and I was just a young kid myself."

VOA: standard.2009.06.28

He ended up at City University of New York, became a full professor at age thirty three, died in his early '50s, did not lead a good life but had extraordinary discoveries.

最后他去了纽约市立大学，在33岁时成为正教授，50来岁时去世，生活过得不是很好,但有很重大的发现。

耶鲁公开课 - 心理学导论课程节选

Irina Vasanova is a teacher in her late 50s.

VOA: standard.2009.11.05

There was no good reason in the world that an abolitionist in the 1830s, '40s, and even the '50s, had any right to believe they would see the end of slavery in their lifetime.

然而在这世上并不存在一个好理由,使一个十九世纪三十年代,四十年代甚至五十年代的废奴者,几乎不可能相信,他们在有生之年会看到奴隶制的终结

耶鲁公开课 - 美国内战与重建课程节选

840s and '50s Ohio?

四十年代和五十年代的俄亥俄及

耶鲁公开课 - 美国内战与重建课程节选

By the '40s and '50s, it was incredibly powerful.

它直到四五十年代都还十分强势。

耶鲁公开课 - 1945年后的美国小说课程节选

Fortunes will begin to be made in the textile industry and in the railroad industry by the '40s and '50s, and in a host of other ways, real fortunes.

在40 50年代的时候,纺织业和铁路工业将会制造大量的财富,另一些方面,真正的机遇

耶鲁公开课 - 美国内战与重建课程节选

The first is this era, of the 1820s, '30s, '40s and '50s, Antebellum America, exemplified most obviously by the anti-slavery movement, which is where we're going to get to as we leave today.

第一个时期,是十九世纪二十年代,三十年代,四十年代和五十年代,内战前的美国,废奴运动就是其典型,这是我们今天下课前要弄明白的

耶鲁公开课 - 美国内战与重建课程节选