flustration

例句：

1. 1. 感染
   疾病
2. 2. 传染
   疾病或不良行为
3. 1. The flustration of the virus is a major concern in public health.
   病毒的感染是公共卫生的一大关注点。
4. 2. The doctor advised him to avoid contact with people who were infected with the flustration.
   医生建议他避免与感染该疾病的人们接触。
5. 3.The flustration spread rapidly among the students, causing widespread concern.
   这种传染病迅速在学生中传播，引起了广泛的担忧。