英语语法分析

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。

You have acute otitis media.

您患了急性中耳炎。

Symptoms of otitis media is how to do?

急性中耳炎是最常见的儿童。