Derivational affixes can be prefixes or suffixes.
派生词缀可以是前缀也可以是后缀.
互联网
Derivational affix modifies the word lexically which can be divided into prefix, infix and suffix.
词缀是一种附加语素,表示词汇意义.可分为前缀 、 中缀和后缀.
互联网
For example , it is not success in the fundamental and derivational function of liver and kidney.
对肝肾的基本和衍生功能, 就作的很不好.
互联网
"the morphological relation between `sing' and `singer' and `song' is derivational"