fre·quent·ly /ˈfrikwəntli/
  (ad.)時常,屢次,經常地
  Fre·quent·ly adv. At frequent or short intervals; many times; often; repeatedly; commonly.
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  frequently
       adv : many times at short intervals; "we often met over a cup of
             coffee" [syn: often, oftentimes, oft, ofttimes]
             [ant: rarely, infrequently]