ear plug
英
美
- ear n.听觉；耳朵；倾听n.麦穗vi.抽穗
- plug n.塞子；插头；推销；火花塞；口嚼烟v.塞；堵；宣传；插上插头；苦干
名词 earplug:
-
an earphone that is inserted into the ear canal
-
a plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
