The Old Summer Palace was burned to the ground, which is a great loss in human history.

圆明园被焚烧近尽，这是人类历史上的一大笔损失。

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The cumulative effect was a fundamental change in how millions of people approached life itself, a reversal of attitude that must rank as one of the largest in human history.

这种累积效应对数百万人对待生活本身的态度产生了根本性的改变，这种态度的逆转肯定是人类历史上最大的一次。

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It would be the first time in human history that economic necessity has prevailed over military aggrandizement.

经济需要压过了军事扩张，这将是人类有史以来的第一次。

《柯林斯英汉双解大词典》

In the early days of human history, people survived by hunting wild animals, or gathering wild grains and plants for food.

VOA: special.2010.01.31

The concept of individual freedom has had no importance in these great majorities of cultures in human history.

在人类历史的大多数文化中,个人自由这个理念显得无足轻重

耶鲁公开课 - 古希腊历史简介课程节选

If the food environment had evolved very slowly, as it had in earlier human history, the body would have a chance to adapt.

如果食品环境演化很缓慢,像它在人类早期历史时那样,机体就有机会去适应这样的食品环境

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Generation Y has grown up in the safest environment in human history.

FORBES: The Changing Nature of Risk

We are the oldest constitutional democracy in the world but we must never forget in the context of human history just how quickly we have come to where we are today.

CNN: Transcript: Clinton speaks at Memorial Day Event

But as Brin points out, real Spartans were slavemongers of the worst sort, living in one of the most stratified societies in human history.

FORBES: Occupy Wall Street, Frank Miller, And Why Athens Is Better Than Sparta