re·triev·er /rɪˈtrivɚ/
  取回的人,能把獵物找回來的獵狗的一種
  retriever
  檢索器
  Re·triev·er n.
  1. One who retrieves.
  2. Zool. A dor, or a breed of dogs, chiefly employed to retrieve, or to find and recover game birds that have been killed or wounded.
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  retriever
       n : a dog with heavy water-resistant coat that can be trained to
           retrieve game