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	sesbanias sescuple seseli seselies seselis sesh seshes Sesiidae sesothi Sesotho sesothoes sesothos sesqui- sesquialter sesquialtera sesquialteral sesquialteras sesquialters sesquicarbonate sesquicarbonates sesquicentenaries sesquicentenary sesquicentennial sesquicentennials sesquidiploid

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