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Từ điển Oxford Advanced Learner 8th
eardrum
ear·drum [eardrum eardrums] BrE [ˈɪədrʌm] NAmE [ˈɪrdrʌm] noun the piece of thin tightly stretched skin inside the ear which is moved by sound waves, making you able to hear •a perforated eardrum Example Bank: •His right eardrum burst. •She thought the noise would burst her eardrums.
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