The ear reacts by making pus, a thick liquid that fights bacteria. As the pus builds up it pushes on the eardrum, causing pain.
耳朵对此的反应就是化脓，既一种浓浓的抵抗细菌的液体，当脓水产生并推向耳膜，引起疼痛。
The ear reacts by making pus, a thick liquid that fights bacteria. As the pus builds up it pushes on the eardrum, causing pain.
耳朵对此的反应就是化脓，既一种浓浓的抵抗细菌的液体，当脓水产生并推向耳膜，引起疼痛。
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