phenothalin

例句：

1. 1. Thepatient was given a dose of phenothalin to relieve his pain.
   患者被给予芬太尼剂量以缓解他的疼痛。
2. 2. The drug phenothalin is highly addictive and can causesevere withdrawal symptoms.
   这种药物芬太尼具有很强的成瘾性，并且可能导致严重的戒断症状。
3. 3. The use of phenothalin has been banned in many countriesdue to its potential for abuse.
   由于其潜在的滥用风险，许多国家已经禁止使用芬太尼。