ruminative
  (a.)默想的,沈思的
  ru·mi·na·tive /ˈruməˌnetɪv/ 形容詞
  沉思的,持續思考的
  Ru·mi·na·tive a. Inclined to, or engaged in, rumination or meditation.
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  ruminative
       adj : persistently or morbidly thoughtful [syn: brooding, broody,
              contemplative, meditative, musing, pensive, pondering,
              reflective]