| 单词 | heroin |
| 释义 | Word Frequency heroin(ˈhɛrəʊɪn) noun a white odourless bitter-tasting crystalline powder related to morphine: a highly addictive narcotic. Formula: C21H23NO5 Technical names: diamorphine, diacetylmorphineWord origin C19: coined in German as a trademark, probably from hero, referring to its aggrandizing effect on the personality |
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