perianal cilia

例句：

1. 1. The doctor examined the patient's perianal area for any signs of infection.
   医生检查了患者的肛门区域，以寻找任何感染的迹象。
2. 2.Researchers found that certain bacteria in the perianal cilia could be linked to the spread of disease.
   研究人员发现，肛门毛中的某些细菌可能与疾病的传播有关。
3. 3. The patient experienced discomfort during the examination and complained about theperianal cilia being too sensitive.
   患者在检查过程中感到不适，抱怨肛门毛太敏感了。