zoster

例句：

1. 1. He developed a zoster on his back after a long illness.
   他在长期生病后背部长了一个带状疱疹。
2. 2. The doctor prescribed him antiviral medication to treat the zoster.
   医生给他开了抗病毒药物来治疗带状疱疹。
3. 3. People often get zosters during the winter months due to cold weather.
   由于寒冷的天气，人们经常在冬季患上带状疱疹。