精选优质文档-倾情为你奉上1.Language is a system of of arbitrary vocal symbols used for human communication.2.Phonetics is defined as the study of the phonic medium of language; it is concerned with all the sounds that occur in the worlds languages.3.Voicing: Vibration of the vocal cords results in a quality of speech sounds called “voicing”, which is a feature of all vowels and some consonants in English.4.Minimal pairs：When two different forms are identical in every way except for one sound se
