crackling
  脆皮,豬油渣
  Crac·kling n.
  1. The making of small, sharp cracks or reports, frequently repeated.
     As the crackling of thorns under a pot, so is the laughter of the fool.   --Eccl. vii. 6.
  2. The well-browned, crisp rind of roasted pork.
     For the first time in his life he tested crackling.   --Lamb.
  3. pl. Food for dogs, made from the refuse of tallow melting.
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  crackling
       n : the sharp sound of snapping noises [syn: crackle, crepitation]