A morpheme is the minimal distinctive grammatical unit, and is the lowest unit grammatical hierarchy.
词素是最小的辨别语法单元,也是语法层次中最低级的单元。
2
Morpheme is the smallest unit in terms of the relationship between expressions and content, a unit that cannot be divided without destroying the meaning, whether it is lexical or grammatical.
语素既是英语中音义结合的最小单位,又是语法分析的最小单位。
3
An element that indicates grammatical class or function; a derivational or inflectional morpheme.