来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第22集 第22集》

• 
  
  This is some of our winter growing.
  这些是我们冬天拍的照片
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  These are carrots harvested
  那是几年前下的第一场雪
• 
  
  during the first snow a few years back.
  我们收了胡萝卜
• 
  
  Carrots get incredibly sweet
  实际上 如果胡萝卜经过霜降雪打
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  if you let them grow through the winter, in fact.
  就会变得不可思议地甜
• 
  
  They're a biannual; the starch is in the roots,
  胡萝卜一年两熟 淀粉藏在根中
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  change to sugar if they get cold
  一旦遇冷 就会转变为糖
• 
  
  and if you are working with a local farmer,
  如果你们和当地农民一起劳作
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  you can actually experience
  你们可以切实体会到
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  that change in the sugar content and taste it;
  品尝到冬天的胡萝卜有多甜
• 
  
  there's evidence of it.
  这些照片就是证据
• 
  
  The carrots you find in the grocery store,
  你们在食品杂货铺买到的胡萝卜