chapter 3 word formation
Morpheme: the smallest functioning unit in the composition of words
構(gòu)成詞的最小功能單位
Allomoroh：is a different variant form of a morpheme敛惊，differ in phonological and spelling form，but at the same in function and meaning
詞素變體人弓，是一個不同的詞素的變化形式输枯，在語音和拼寫形式上不同思喊，但在功能和意義上相同
Types of morpheme
詞素種類
（1）free morpheme： have complete meaning in themselves and can be used as grammatical units in sentences. A free morpheme is one that can stand by itself（independent）
自由詞素楔壤，他們自己有完整意義，在句中作為語法單位枯芬，一個自由詞素是可以獨立獨自站立的
（2）bound morpheme：a bound morpheme is one that can not stand by itself
粘著詞素维苔，一個粘著詞素是不能獨自存在的
bound morpheme includes two types：（1）bound root碰辅；（2）affix
粘著詞素包括兩種類型，一種是粘著詞根介时，李一種是詞綴
Affixes can be put into two groups
