1. an alkaloid extracted from opium; a powerful, habit-forming narcotic used to relieve pain. 
   从鸦片中提取的生物碱；用来减轻疼痛的麻药。
2. an alkaloid medicine obtained from opium; used to relax smooth muscles; it is nonaddictive. 
   从鸦片中提取的生物碱药物；用来放松肌肉；不会让人上瘾。
3. A bitter crystalline alkaloid, C23H27NO8, obtained from opium and formerly used in medicine as a substitute for morphine. 
   纳可蓝，那碎因一种苦味结晶状的碱，c23h27no8由鸦片中提炼出，从前曾在医药中用作吗啡的替代品
4. An alkaloid narcotic, C18H21NO3, derived from opium or morphine and used as a cough suppressant, analgesic, and hypnotic. 
   可待因一种生物碱麻醉剂，c18h21no3，从鸦片或吗啡中提取并用于感冒抑制剂、止痛药和催眠药
5. A bitter, crystalline alkaloid, C17H19NO3稨2O, extracted from opium, the soluble salts of which are used in medicine as an analgesic, a light anesthetic, or a sedative. 
   吗啡一种苦而透明的碱性物，分子式为c17h19no3稨2o，从鸦片中提取，其可溶性盐在医学中用作麻醉剂，即一种轻麻醉剂或镇静剂

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• 2. 鸦片
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