Salter operation

例句：

1. 1. He is a renowned surgeon who has performed thousands of surgeries.
   他是一位著名的外科医生，已经进行了成千上万的手术。
2. 2. The surgeon advised the patient to follow the prescribed medication.
   外科医生建议病人按照医嘱服药。
3. 3. Surgeons play a crucial role in modern medicine.
   外科医生在现代医学中扮演着至关重要的角色。