monostomy

例句：

1. 1.He underwent a single-limb amputation to save his life.
   他接受了单肢切除手术以挽救生命。
2. 2.The patient was left with only one limb after the surgery.
   手术后，患者只剩下了一只肢体。
3. 3.The surgeon performed the procedure to correct a congenital condition.
   外科医生执行了这个手术来纠正一种先天性状况。