精选优质文档-倾情为你奉上术语解释:Language: Language is a system of arbitrary vocal symbols used for human communication. Linguistics: Linguistics is the scientific and systematic study of language. Design features(甑别性特征): Design features refer to the defining properties of human language that distinguish it from any animal system of communication Arbitrariness(任意性): It means that there is no logical connection between meanings and sounds Productivity /creativity (创造性):