spontaneous subarachnoid hemorrhage

例句：

1. 1.He suffered a spontaneous subarachnoid hemorrhage, which caused him to be hospitalized for several days.
   他遭受了一次自发性蛛网膜下腔出血，导致他住院治疗了几天。
2. 2. The patient's condition worsened after the spontaneous subarachnoid hemorrhage, and he required immediate medical attention.
   患者自发性蛛网膜下腔出血后病情恶化，需要立即医疗救治。
3. 3. The doctor explained that spontaneous subarachnoid hemorrhage can occur inany age group, but it is more common in young adults.
   医生解释说，自发性蛛网膜下腔出血可以在任何年龄段发生，但更常见于年轻人。