neck cut-off

例句：

1. 1. The doctor performed a neck cut-off operation on the patient.
   医生为病人进行了颈部切断手术。
2. 2.He had to have his neck cut-off due to a severe injury.
   由于严重的伤害，他不得不进行颈部切断手术。
3. 3.The accident resulted in a neck cut-off and the need for immediate medical attention.
   事故导致颈部切断，需要立即医疗救治。