单词	ear defender
释义	ear defender noun : a device (such as an earplug) designed to lessen the transmission of excessive or damaging sound to the auditory receptors of the inner ear Word History First Known Use 1915, in the meaning defined above
随便看	avasts avatar avatars avaunt avaunter avauntest avaunts AVC avdp ave ave atque vale Ave Maria Avebury Avedon avellan avellane Avellaneda avellaneous avellano Avena test avenae avenas Avenches avenge avenge oneself

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