cod·fish /ˈkɑdˌfɪʃ/
  鱈
  Cod·fish n. Zool. A kind of fish. Same as Cod.
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  codfish
       n 1: lean white flesh of important North Atlantic food fish;
            usually baked or poached [syn: cod]
       2: major food fish of arctic and cold-temperate waters [syn: cod]
       [also: codfishes (pl)]