单词 | alkaloid |
释义 | alkaloidnoun al·ka·loid ˈal-kə-ˌlȯid : any of numerous usually colorless, complex, and bitter organic bases (such as morphine or caffeine) containing nitrogen and usually oxygen that occur especially in seed plants and are typically physiologically active alkaloidal ˌal-kə-ˈlȯi-dᵊl adjective |
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