普鲁卡因

例句：

1. 1. The doctor prescribed a local anesthetic for the patient's pain.
   医生为病人开了一种局部麻醉药。
2. 2. The patient was given an injection of procaine to numb the area.
   病人被注射了普鲁卡因以麻木该区域。
3. 3. Procaine is commonly used as an anesthetic in surgeries.
   普鲁卡因常用于手术中作为麻醉剂。