alkaloid 英 ['ælkəlɒɪd] 　 美 ['ælkə'lɔɪd]

alkaloid

alkaloid　 英 ['ælkəlɒɪd] 美 ['ælkə'lɔɪd]

n. [有化] 生物碱；植物碱基　

名词复数:alkaloids　

Cocaine is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant.　可卡因是一种结晶状的莨菪生物碱，是从古柯叶中提取得来的。
The company insists, however, that coca leaves are used as a flavoring agent only after removing the illegal cocaine alkaloid.　然而，公司坚持古柯叶是在消除了非法可卡因生物碱之后才被用作调味剂。

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  • n. [有化] 生物碱；植物碱基

  • 1. Cocaine is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant.

    可卡因是一种结晶状的莨菪生物碱，是从古柯叶中提取得来的。

  • 2. The company insists, however, that coca leaves are used as a flavoring agent only after removing the illegal cocaine alkaloid.

    然而，公司坚持古柯叶是在消除了非法可卡因生物碱之后才被用作调味剂。

  • 3. Scientists are not clear how the fungus controls the ants, but know that it releases alkaloid chemicals into the insect as it consumes it from the inside.

    科学家还不清楚寄生菌是如何控制木蚁的，只知道寄生菌在木蚁体内吸收营养物质的同时释放出生物碱。

  • alkaloid (n.) 1831, from alkali (q.v.) + -oid. "A general term applied to basic compounds of vegetable origin, bitter in taste, and having powerful effects on the animal system" [Flood], including morphine and nicotine. As an adjective by 1859.
al·kal·oid / ˈælkəlɔɪd ; NAmE ˈælkəlɔɪd / noun ( biology 生 or medical 医 ) a poisonous substance found in some plants. There are many different alkaloidsand some are used as the basis for drugs. 生物碱 alkaloid alkaloids al·kal·oid / ˈælkəlɔɪd ; NAmE ˈælkəlɔɪd /
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词频排名 noun:27843
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