filler
中文来自 ECDICT
- n.
- 装填者，补白，装填物
构词拆分
fill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.