资料来源 : pyDict

听不见,不可闻

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

Inaudibility \In*au`di*bil"i*ty\, n.
   The quality of being inaudible; inaudibleness.

资料来源 : WordNet®

inaudibility
     n : the quality of not being perceptible by the ear [syn: {inaudibleness}]
         [ant: {audibility}]