1994年圣诞前夜，人类进入了法国东南部山区的一个洞穴，这可能是2万年来的第一次。

On Christmas Eve in 1994, humans entered a cave in the mountains of southeastern France for what was probably the first time in 20,000 years.

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首先，人类进入21世纪仅仅9年的时间就已展示出21世纪的世界与20世纪是多么地不同。

First, we are only nine years into the 21st century, but we have already seen how different this century is from the last.

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虽然载人太空飞行没有终止，美国宇航局逐渐放弃送人类进入轨道，并且交棒给新的参与者。

While it's not the end of human spaceflight, NASA is abandoning the field of getting humans to orbit, and handing the ball to the new players.

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This is the type of the violent union that Yeats imagines in which the divine enters the human, and the human finds access to the divine through the bestial.

这就是叶芝想象的,一种暴力的类型，其中,神圣进入凡人的身体,人类通过野兽般的暴力发现神圣。

耶鲁公开课 - 现代诗歌课程节选

Now let's get onto the course topic for today, which is food and evolution.

现在我们要进入今天的主题,即食品和人类演化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选