paralanguage
noun [ U ] language specialized uk/ˈpær.əˌlæŋ.ɡwɪdʒ/ us/ˈper.əˌlæŋ.ɡwɪdʒ/
副语言;辅助语言，超语言
the ways in which people show what they mean other than by the words they use, for example by their tone of voice, or by making sounds with the breath
The study of paralanguage deals with the non-verbal qualities of speech, which include pitch, amplitude, rate, and voice quality. 对超语言的研究涉及词汇之外的各个方面，包括音调、振幅、速率和声音质量等等。