名词
中文翻译：可待因
同义词：
['cocaine', 'morphine']
例句：
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1.The patient was given coptine to help him sleep.
病人被给予可待因以帮助他入睡。
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2. The drug dealer had been selling coptine for years.
这个毒贩多年来一直在出售可待因。
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3.Coptine is a powerful narcotic that can cause addiction and dependence.
可待因是一种强效的麻醉剂，可能导致成瘾和依赖。