资料来源 : pyDict

不能消除的,不能抹杀的,不能取消的

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

Ineffaceable \In`ef*face"a*ble\, a. [Pref. in- not + effaceable:
   cf. F. ineffa?able.]
   Incapable of being effaced; indelible; ineradicable.