primary mastoiditis

• 原发性乳突炎

primary mastoiditis的用法和样例：

例句

1. Since the introduction of antibiotics, the incidence of otitis media induced complications such as mastoiditis and subperiosteal abscess has significantly decreased.
   摘要自从开始使用抗生素以来，中耳炎引发性急性乳突炎及乳突骨膜下脓疡等并发症的发生率已经显著减少。