morphinist

例句：

1. 1. The anesthetist administered the local anesthetic before the surgery.
   麻醉师在手术前给患者注射了局部麻醉药。
2. 2. He became an anesthesia addict after years of heavy drug use.
   他因为多年的毒品滥用而变成了一个麻醉剂成瘾者。
3. 3. The patient was under anesthesia during the operation, and the doctor had to monitor her vital signs closely.
   患者在手术期间处于麻醉状态，医生必须密切监测她的体征。