zone of disease

例句：

1. 1. The researchers found a zone ofdisease in the forest.
   研究人员在森林中发现了一个疾病区域。
2. 2. The doctors treated the patientin the zone of disease.
   医生在疾病区域治疗了病人。
3. 3. The scientists are studyingthe zone of disease in the city.
   科学家们正在研究城市中的疾病区域。