twenty-firster
构词拆解
-er
后缀
- -er
- (added to verbs) A person or thing that does an action indicated by the root verb; used to form an agent noun. · (added to verbs, informal) A person or thing to which the root verb is done or can be done satisfactorily.
词源说明
From twenty-first + -er.
释义
名词noun
- 1informalA person's 21st birthday.