• The number of people in the small town of Spencer,Iowa,for example, dropped from eleven thousand to eight thousand in just a few years.

    VOA: special.2009.02.23

  • But it was there for over a thousand years, and we now know things to be a little different.

    但是,它存在了超过1000年,我们现在知道的事情有点不一样。

    麻省理工公开课 - 固态化学导论课程节选

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