anesthesia needle

例句：

1. 1. The surgeon used anesthesia to numb the patient during the surgery.
   外科医生在手术中使用了麻醉来使病人麻木。
2. 2. The nurse carefully inserted the anesthesia needle into the patient's arm.
   护士小心地将麻醉针插入患者的手臂。
3. 3. The doctor administered anesthesia to ensure the patient was comfortable during the procedure.
   医生给患者注射了麻醉以确保他们在手术过程中感到舒适。