精选优质文档-倾情为你奉上1 What is the morpheme? 词素The morpheme is the smallest meaningful linguistic unit of language, /in the composition of words ,not divisible or analyzable into smaller forms.Words are formed by morphemes, a word may be composed of one or more morphemes.One morpheme-fruit Two morphemes-fruit+ful Three morphemes-un+fruit+ful2 A synchronic approach and a diachronic approach are approaches to the study of a language.3 an allomorph 词素变体is one or two or more