alkaloid
核心词议：

速记方法
速记技巧 词源词根法 alkali，碱。-oid，类。 谐音记忆法 还可谐音：艾克老姨的，艾克老姨的家中有生物碱。

知识扩展


中文词源： alkaloid 生物碱 alkali，碱。-oid, 类。 alkaloid
精选例句

常见考点例句：

This tiny frog the size of your fingernail might seem harmless but its skin is packed with a toxic alkaloid ptx 323a .

这种袖珍青蛙只有指甲盖大小，看上去人畜无害，但是它们的皮肤上布满了一种叫做ptx323a的生物碱。

But , the locals say , this is a great opportunity to show that coca isn 't harmful - with or without the cocaine alkaloid .

但是，当地人说，这是一个很好的机会来证明有或没有的可卡因生物碱的

Though the cocaine alkaloid is one of 10 alkaloids in coca leaves and represents only 0.8 % of the chemical make-up of the plant , it 's removal is mandated by international anti-narcotics agencies when used outside the andean region .

虽然可卡因生物碱是10种古柯叶生物碱之一，仅占植物化学构成的0.8%，但它的排除是国际反毒品机构规定在安第斯地区以必须进行的。

It 's actually an alkaloid plant toxin ( like nicotine and cocaine ) , a bug killer that stimulates us by blocking neuroreceptors for the sleep chemical adenosine .

它事实上是一种生物碱植物毒素（比如尼古丁和可卡因）一种病毒止痛药它能通过阻塞神经受体引起我们的睡眠化学腺苷。

Since 1961 , trade of coca outside the andean region - where people have chewed or brewed coca in tea to stave off hunger and exhaustion for centuries - has been prohibited unless , the cocaine alkaloid is removed .

自1961年以来，安第斯那里的几百年来人有嚼或冲泡古柯茶避免饥饿和疲惫的传统以外的地区古柯贸易已被禁止，除非可卡因生物碱被排除。