Chapter 1 A general survey of English vocabularyLexicology: the study of words/ to study the science of words.a word is the smallest significant unit of a speech. 词是语言的最小的有意义结构单位。the smallest significant unit of a speech is morpheme(词素/语素/形位)Word defined: a fundamental（基本的）unit of speech and a minimum free form; with a unity of sound and meaning (both lexical and grammatical meaning) capable of performing a given syntactic function.Soundthe naturalists 自然派Meaningthe convention
