资料来源 : pyDict

本能.直觉地

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Instinctively \In*stinc"tive*ly\, adv.
   In an instinctive manner; by force of instinct; by natural
   impulse.

资料来源 : WordNet®

instinctively
     adv : as a matter of instinct; "he instinctively grabbed the
           knife"