cling·stone /ˈklɪŋˌston/
  果肉與核(a.)果肉與核分離不開的
  Cling·stone a. Having the flesh attached closely to the stone, as in some kinds of peaches. -- n. A fruit, as a peach, whose flesh adheres to the stone.
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  clingstone
       n : fruit (especially peach) whose flesh adheres strongly to the
           pit [syn: cling]