来自《耶鲁大学开放课程：环境政治与法律 第2集 第2集》

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  distributed, within a couple hundred miles.
  分布及走向
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  And a variety of mistakes were made, including exposing people
  由此铸成不少错误 其中包括致使
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  working for the military.
  军队工作者接触到这些危害物
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  This group of people was sitting in these lawn chairs in
  这群人当时穿着短裤 戴着帽子
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  their shorts and their caps on.
  坐在草坪躺椅上
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  They had ski goggles on with the dark lenses thinking,
  他们戴上了深色护目镜 心想
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  well, that would be safe enough.
  这样就够安全了
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  There are many, many stories about workers being exposed
  现在工人们暴露在
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  beyond what normally we would think of as
  我们通常认为是安全的环境中
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  being a safe level today.
  这种情况很多见
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  So what you don't know can hurt you.
  因此未知事物亦能伤害到你
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  And the more you ask about chemical movement,
  你越深入探究化学物质的动向