资料来源 : pyDict

眼睛地;视力地;光学地

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

Optically \Op"tic*al*ly\, adv.
   By optics or sight; with reference to optics.

资料来源 : WordNet®

optically
     adv : in an optical manner; "optically distorted"