资料来源 : pyDict

传达者,发报机,列车内通报器

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

Communicator \Com*mu"ni*ca`tor\, n. [L.]
   One who communicates. --Boyle.

资料来源 : WordNet®

communicator
     n : a person who communicates with others