narcotic [nɑ:rˈkɑ:ˈkɒtɪk]

例句:

• They use opium as a sedative, rather than as a narcotic.
  他们把鸦片用作镇静剂而不是毒品。
  
• Opium is classed under the head of narcotic.
  鸦片是归入麻醉剂一类的东西.
  
• Opium is a narcotic drug.
  鸦片是麻醉剂.
  
• Drowsy and dazed with his narcotic but unable to sleep.
  来自K. A. Porter
• This isn't slang for a new kind of narcotic.
  来自THETIMES
• He participated in alcohol and narcotic rehabilitation programs.
  来自NEWYORKER