短語詞組短語digital speech secure communication 數(shù)字語音保密通訊Speech and Communication 言語交流Speech & Communication Disorders 語言和溝通障礙Chaotic speech secure communication 混沌語音保密通信speech -communication method 通話方式Speech and Communication Studies 縯講與交流研究speech secure communication s 語音保密通信Objective of Speech Communication 言語交際的目的 返回 speech communication