or·tho·epy /ˈɔrθəˌwɛpi, ɔrˈθoəpi/
  正確發音
  or·tho·e·py n.  The art of uttering words correctly; a correct pronunciation of words; also, mode of pronunciation.
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  orthoepy
       n 1: the way a word or a language is customarily  spoken; "the
            pronunciation of Chinese is difficult for foreigners";
            "that is the correct pronunciation" [syn: pronunciation]
       2: a term formerly used for the part of phonology that dealt
          with the `correct' pronunciation of words and its relation
          to `correct' orthography