来自《耶鲁大学开放课程：1600年后西方社会的流行病 第4集 第4集》

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  They tried also to cleanse the air directly.
  还尝试直接净化空气
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  There were bonfires that were set,
  他们燃起篝火
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  especially with aromatic wood like pine,
  特别是用芬芳的木材比如松树
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  or with sulfur.
  或者是用硫磺
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  And there was the firing of cannon,
  他们也用大炮点火
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  with the idea that this too would purify the air.
  认为这样也能净化空气
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  Those were authorities who took those measures.
  这些是当权者采取的措施
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  There were also ideas of individual self-protection.
  另外还有一些个人的自我保护的想法
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  And since the cause of the plague
  既然瘟疫的起因
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  was this horrible poisoned air around you,
  是你周围的可怕的有毒空气
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  it was a good idea to have a little vial
  那么 在脖子周围放一小瓶香料
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  of aromatic spices around your neck,
  不失为一个好主意