People look back nostalgically on the war period, simply because everyone pulled together.

人们怀旧地回忆战争时期，就因为当时大家齐心协力。

《柯林斯英汉双解大词典》

And I haven't offered it in quite a while now, so I doubt you ever studied that period on the college level.

我已经很久没教过这门课了，所以我怀疑你在大学阶段可能没有学过关于那个时期的内容。

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Other mechanisms would be more likely to have taken place more gradually, over an extended period, or at different times on different continents.

其他机制更可能是较为循序渐进的，在更长时间段或在不同的大陆上的不同时间发生。

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The researchers say the report offers evidence that one or more comets were responsible for a sudden cooling period on Earth's surface.

VOA: special.2009.01.20

There's a way in which Yeats's poetry of this period goes on resonating in the world we're living in.

叶芝这一时段的诗歌,有一个反应现实生活的方法。

耶鲁公开课 - 现代诗歌课程节选

Why do we have the Renaissance, the baroque period the classical period, the romantic period and so on?

为什么我们会有文艺复兴时期,巴洛克时期,古典主义时期,浪漫主义时期

耶鲁公开课 - 聆听音乐课程节选

The songs which best express the sheer wonder of Columbia focus primarily on period instruments and sounds.

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And if we extend the bet into the current decade, taking Simon at his word that he was happy to bet on any period from a year on up, then Ehrlich won every start-year bet in the 2000s.

FORBES: But Why Did Julian Simon Win The Paul Ehrlich Bet?

Tony Blair (Mrs Blair's husband) fixed on a period of a year in 1999.

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