hypoalgesia

例句：

1. 1. The patient was given a local anesthetic to numb the area before surgery.
   患者在接受手术前被给予局部麻醉药以麻木该区域。
2. 2. The doctor administered an anaesthetic to ensure the patient's comfort during the procedure.
   医生给病人注射麻醉药以确保在手术过程中患者的舒适。
3. 3. Hypoalgesia is a condition where patients experience no pain or discomfort due to damage ordisease in their nerves.
   无痛觉是一种状况，患者由于神经损伤或疾病而没有疼痛或不适感。