auricular sinus

例句：

1. 1.The doctor performed a surgery on the patient's auricular sinus.
   医生为患者的耳腔进行了手术。
2. 2. The patient had to wear a mask for several days due to an infection in his auricular sinus.
   由于耳腔感染，患者不得不戴着口罩几天。
3. 3. During the operation, the doctor carefully removed the blockage from the patient's auricular sinus.
   在手术中，医生小心地从患者的耳腔中取出了堵塞物。