acute catarrhal conjunctivitis

例句：

1. 1. The pain was so acute that she couldn't even bear to touch it.
   疼痛非常剧烈，她甚至不敢碰它。
2. 2. The patient had an acute case of flu.
   病人患有急性流感。
3. 3. The doctor diagnosed the condition as acute pneumonia.
   医生诊断为急性肺炎。