人体解剖学

例句：

1. 1. The patient was given a local anesthetic before the surgery.
   手术前，患者接受了局部麻醉。
2. 2. The nurse administered anesthesia to the patient during the procedure.
   护士在手术过程中给病人使用了麻醉。
3. 3. Anaesthesia is essential for maintaining a patient's comfort during surgery.
   麻醉对于保持病人在手术期间的舒适至关重要。