acute catarrhal appendicitis

例句：

1. 1. The pain in her abdomen was acute and severe.
   她腹部的疼痛是剧烈且严重的。
2. 2. Thepatient had an acute attack of appendicitis.
   病人突发阑尾炎。
3. 3. Thesymptoms of the disease were acute and requiredimmediate medical attention.
   这种疾病的症状是急性的，需要立即医疗关注。