middle schooler
构词拆分
middle school词根/词干
+
-er后缀
(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 middle school + -er.
释义（英文）
名词 Noun
- A student in a middle school.