弃我去者，昨日之日不可留乱我心者，今日之日多烦忧Chapter one Introduction 一、定义 1.语言学Linguistics Linguistics is generally defined as the scientific study of language. 2.普通语言学General Linguistics The study of language as a whole is often called General linguistics. 3.语言language Language is a system of arbitrary vocal symbols used for human communication. 语言是人类用来交际的任意性的有声符号体系。 4.识别特征Design Features It refers to the defining poperties of human language that distinguish it from any ani
