communicator

n. 传播者, 通信装置, 列车内通话装置

com.mu.ni.ca.tor

n.（名词）
One that communicates:
沟通物：会沟通的东西：
例句：
an effective communicator of new ideas.
新想法的有效沟通物

An electronic device enabling individuals with physical disabilities to communicate through LED displays, printed or electronic messages, or synthetic speech.
发报器：电子仪器，能使有身体障碍的个人透过发光二极管显示器、印刷的或电子的讯息、或综合的谈话来沟通