tympanectomy

例句：

1. 1. The patient underwent a tympanectomy to relieve the pain.
   患者接受了一次中耳切除术来缓解疼痛。
2. 2. He had to undergo a tympanectomy due to an infection in his middle ear.
   由于中耳感染，他不得不接受一次中耳切除术。
3. 3.The doctor performed a tympanectomy on the patient for a chronic middle ear disease.
   医生为患有慢性中耳疾病的患者进行了中耳切除术。