The hot line had an important purpose: to prevent accidental war between the two competitors during the period known as the Cold War.

VOA: special.2009.12.06

I was particularly interested in metaphysical poetry political philosophy -- I wrote my thesis on a radical political philosopher of the 17th century of the civil war period.

我尤其感兴趣的是玄学诗派,和政治哲学，我的毕业论文,就是有关一名激进的政治哲学家,他生活在内战的十八世纪。

普林斯顿公开课 - 人性课程节选

A thousand times in a thousand ways anybody who studies the American Civil War period is inevitably asked, "So what caused this war?"

每个研究美国内战史的人,总会不可避免地被人们反复问道,"究竟是什么导致了这场战争"

耶鲁公开课 - 美国内战与重建课程节选

During the period of the Cold War, an estimated 30 million people in Eastern Europe and the Soviet Union listened to him on the radio.

VOA: special.2009.01.30

In the early post-war period, the corporate--now I'm going to talk-- there's a distinction between the rate that they charge and the actual amount that they take.

在战后初期,公司的...我要说明的是,政府规定的税率,与实际征收的税率之间存在着差异

耶鲁公开课 - 金融市场课程节选

But others now say this period after the Civil War was a necessary step in creating a different kind of South from the one which had existed before.

VOA: special.2010.02.04

So, you can see the whole period till 1945 is an even more horrible thirty years war than that of the seventeenth century.

你可以看出来这段时间一直到1945年,和十七世纪相比之下,是一个更可怕的"三十年战争"

耶鲁公开课 - 1871年后的法国课程节选

Rome was going through a period of civil war.

VOA: special.2011.02.16

For Hobbes, Aristotle taught the dangerous doctrine of republican government that was seen to be practiced particularly during the Cromwellian Period in England, during the civil war.

对贺伯斯而言，亚里士多德教授,共和政府的危险教义,而那被视为,是英国克伦威尔时期所盛行，当时仍在英国内战时期。

耶鲁公开课 - 政治哲学导论课程节选

"These are terrorist attacks," "This is not a civil war,period.

VOA: standard.2009.12.11

That has moved around a lot, but it got almost up to 60% in the post World War II period and now it's down to less than a third.

计算所得的百分率变动很大,二战后,它一度达到将近60%,现在又降到不到三分之一

耶鲁公开课 - 金融市场课程节选

"Historically it's one of the most important parts of the period of World War II in France,the roundup - the rafle du Vel dHiv - is a symbol of collaboration between the French police and the German occupying authorities."

VOA: standard.2010.04.10