Phonetics is defined as the study of the phonic medium of language ; it is concerned with all the sounds that occur in the world ' s languages 语音学研究的对象是语言的声音媒介,即人类语言中使用的全部语音。
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Phonetics 语音学 : is defined as the study of the phonic medium of language ; it is concerned with all the sounds that occur in the world ' s language 用于人类语言交际的声音称为语音,这些数目有限的一组语音构成了语言的声音媒介。