insensibly
  (ad.)不知不覺地,極微地,徐徐地
  In·sen·si·bly, adv. In a manner not to be felt or perceived; imperceptibly; gradually.
     The hills rise insensibly.   --Addison.
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  insensibly
       adv : in a numb manner; without feeling; "I stared at him numbly"
             [syn: numbly]