narcolan

例句：

1. 1. Narcotic drugs are highly addictive and can cause severe health problems.
   麻醉药物具有很强的成瘾性，可能导致严重的健康问题。
2. 2.The patient was given morphine to alleviate his pain.
   病人被给予吗啡以缓解他的疼痛。
3. 3. Narcotics are illegal in many countries and should be used only under medical supervision.
   许多国家禁止使用麻醉药，只能在医疗监督下使用。