| 单词 | alkaloid |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔alkaloid〕Morphine and cocaine are powerful alkaloids.吗啡和可卡因是强力的生物碱。剑桥高阶〔betaine〕Any of several alkaloids with similar structures.一种结构相似的晶体碱美国传统〔coca〕The dried leaves of such a plant, chewed by people of the Andes for a stimulating effect and also used for extraction of cocaine and other alkaloids.古柯叶：这种植物的干树叶，安第斯山脉的人们为寻求刺激作用而嚼碎，也用于提取古柯碱和其他生物碱美国传统〔hydrosulfate〕A salt formed by the union of sulfuric acid with an alkaloid or other organic base.酸性硫酸盐：硫酸和生化碱或另外有机碱结合而产生的一种盐美国传统〔quinoidine〕A brownish-black mixture of alkaloids remaining after extraction of crystalline alkaloids from cinchona bark, used as a quinine substitute.奎诺酊：将金鸡纳树皮中提取结晶生物碱之后，剩下来一种黑褐色的生物碱混合物，用作奎宁的替代物美国传统〔tubocurarine〕An alkaloid that is the active component of curare.筒箭毒碱：作为箭毒活跃成分的生物碱美国传统〔veratrine〕A poisonous mixture of colorless crystalline alkaloids extracted from sabadilla seeds and formerly used medicinally as a counterirritant.藜芦混碱：一种从沙巴草籽中提取的无色晶体生物碱的有毒混合物，以前在医疗中被用作对抗刺激剂美国传统 |
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