mexazolam

例句：

1. 1. The patient was given methadone to help him sleep.
   患者被给予美沙酮以帮助他入睡。
2. 2. Methadone is a powerful narcotic that can be used to treat addiction.
   美沙酮是一种强力麻醉剂，可用于治疗成瘾。
3. 3. The drug methadone has been banned in many countries due to its addictive properties.
   由于其成瘾性质，这种药物在许多国家已被禁止。