全身麻醉

例句：

1. 1. The surgeon performed anesthesia before the surgery.
   在手术前，外科医生进行了麻醉。
2. 2.He was under anesthesia when he fell asleep.
   他睡着时处于麻醉状态。
3. 3.Anesthesia is a medical procedure that puts patients into a state of unconsciousness.
   麻醉是一种使患者进入无意识状态的医疗程序。