The morphological relation between & quot ; sing & quot ; and & quot ; singer & quot ; and & quot ; song & quot; is derivational.
从形态关系上看,“sing”、“ singer ”和“ song ”都是由同一个词派生出来的.
Derivational affixes are added to an existing form to create a word.
派生词缀加在一个原有的单词上以构成一个新词.
Derivational affixes can be prefixes or suffixes.
派生词缀可以是前缀也可以是后缀.