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	keratosclerites keratoscleritides keratoscleritises keratoscleritisses keratose keratoses keratosis keratotic keratotomies keratto Keraulophon keraulophone keraulophones keraulophons kerauno- keraunograph keraunographic keraunographs keraunography kerb kerbau kerbed kerbing kerblooey kerbs

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