electro-anaesthesia

例句：

1. 1.The patient was given a local anesthetic before the surgery to reduce pain.
   在手术前，患者接受了局部麻醉以减轻疼痛。
2. 2. The surgeon used a nerve block to achieve electro-anaesthesia for the operation.
   外科医生使用神经阻滞来实现手术的电麻醉。
3. 3. During the procedure, the patient was under electro-anaesthesia to ensure comfort and safety.
   在手术过程中，患者处于电麻醉状态，以确保舒适和安全。