handler
中文来自 ECDICT
- n.
- 处理者，操作者，拳击教练
构词拆分
handle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.
演变路径（由近及远）
- 英语
- 继承自 ←中古英语 handler
词源说明
释义（英文）
名词 Noun
- (literally) One who handles something (especially manually) or someone.
- A controller, trainer, someone who handles a specified thing, animal or person (especially a prizefighter).
- An advisor or manager providing guidance to a person occupying public office or a prominent position.
- (programming) A subroutine that handles a particular situation such as an event or exception