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Earplug
01
耳栓
a small device inserted into the ear canal to protect against noise, water, or other external elements
02
耳栓
an earphone that is inserted into the ear canal
例
Wearing earplugs in a noisy environment can prevent an earache.
They tried to cancel the noise out with earplugs.
Despite the noise from the nearby construction, she managed to sleep like a baby with earplugs.
