frenectomy

例句：

1. 1. The surgeon performed a frenectomy on the patient's leg.
   外科医生为患者腿部进行了一次割除手术。
2. 2. He underwent an amputation due to a severe injury.
   他因严重受伤接受了截肢手术。
3. 3. The doctor advised her to have a minor excision of the mole.
   医生建议她将痣切除。