| 词汇 | heroin |
| 词根词缀 | 词源： from Ger. Heroin, coined 1898 as trademark registered by Friedrich Bayer & Co. for their morphine substitute, traditionally from Gk. heros (see hero) because of the euphoric feeling the drug provides. 词根记忆： n. 海洛因That area is the habitat of heroin.那个地区是海洛因的产地. |
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