资料来源 : pyDict

按字母顺序地

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

Alphabetically \Al`pha*bet"ic*al*ly\, adv.
   In an alphabetic manner; in the customary order of the
   letters.

资料来源 : WordNet®

alphabetically
     adv : in alphabetical order; "the list was arranged
           alphabetically"