otitis media chronica

• 慢性中耳炎

otitis media chronica的用法和样例：

例句

1. The dangerous type chronic otitis media occurs with pars flaccida and marginal perforations.
   慢性中耳炎的危险型可出现鼓膜松弛部的穿孔和鼓膜边缘性穿孔。