资料来源 : pyDict

不规律地,不定地

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

Erratical \Er*rat"ic*al\, a.
   Erratic. -- {Er*rat"ic*al*ly}, adv. -- {Er*rat"ic*al*ness},
   n.

资料来源 : WordNet®

erratically
     adv : in an erratic unpredictable manner; "economic changes are
           proceeding erratically" [syn: {unpredictably}]