I lived thousands of years ago, but not now.

我生活在几千年前，而不是现在。

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In China, the 24 solar terms were created thousands of years ago to guide agricultural production.

几千年前中国就创造了二十四节气用以指导农业生产。

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The first people to grow cacao trees for chocolate were the Mayans, who lived in Mexico thousands of years ago.

最早种植可可树来制作巧克力的是玛雅人，几千年前他们生活在墨西哥。

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In two-thousand three, American William Ruddiman first proposed that global warming resulted from human activities thousands of years ago.

VOA: special.2011.04.26

And the history of human rights ; for some people's gonna start thousands of years ago; And for many people was going to start in the Enlightenment.

人权的历史,对一些人来说几千年前就开始了;,而对很多人而言则是在启蒙运动时发端。

普林斯顿公开课 - 人性课程节选

In fact, there's evidence that even thousands of years ago, Indian and Chinese healers were using a form of something that we would recognize as vaccination.

事实上,有证据表明在几千年前,印度和中国的医生就在使用一种,类似于疫苗的东西

耶鲁公开课 - 生物医学工程探索课程节选

Thousands of years ago humans didn't live long enough to die of clogged arteries.

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You can imagine what it was like for them that many thousands of years ago.

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Cameroonian chimps got the virus probably many thousands of years ago by killing and eating monkeys.

NPR: Origin of AIDS Linked to Colonial Practices in Africa