pneumocolon

例句：

1. 1.He developed pneumonia and was hospitalized for several weeks.
   他得了肺炎，住院治疗了几周。
2. 2. Pneumonia is a serious condition that requires immediate medical attention.
   肺炎是一种严重的疾病，需要立即就医。
3. 3.The patient recovered after receiving appropriate treatment for pneumonia.
   经过适当的治疗后，患者恢复了健康。