casectomy

例句：

1. 1. The surgeon performed the casectomy on the patient.
   外科医生为患者进行了外科手术。
2. 2. The patient recovered quickly after the casectomy.
   患者在外科手术后迅速康复。
3. 3.Casectomy is a complex procedure that requires specialized training.
   外科手术是一项复杂的程序，需要专门的培训。