| 单词 | 尼古丁 |
| 释义 | 〔nicotinism〕Nicotine poisoning, caused by excessive use of tobacco and marked by depression of the central and autonomic nervous systems.尼古丁中毒：尼古丁中毒，因吸用烟草过量而导致并以中枢及自主神经系统的压抑为特征〔nicotine〕A colorless, poisonous alkaloid, C10H 14N 2, derived from the tobacco plant and used as an insecticide. It is the substance in tobacco to which smokers can become addicted. 尼古丁：无色有毒生物碱，C10H 14N 2，从烟草中提取被用作杀虫剂，它是烟草中致使吸烟者上瘾的物质 〔nicotiana〕after Jean Nicot (1530?-1600), French diplomat 源自詹姆 尼古丁 (1530?-1600年），法国外交家 〔nicotinic〕Of or relating to nicotine.尼古丁的：尼古丁的或与尼古丁有关的〔alkaloid〕Any of various organic compounds normally with basic chemical properties and usually containing at least one nitrogen atom in a heterocyclic ring, occurring chiefly in many vascular plants and some fungi. Many alkaloids, such as nicotine, quinine, cocaine, and morphine, are known for their poisonous or medicinal attributes.生物碱：有机化合物的一种，通常呈碱性且在一杂环中至少含有一个氮原子，主要存在于许多维管植物和一些真菌中。许多生物碱，如尼古丁、金鸡纳霜、可卡因和吗啡都以其毒性或在医药方面的特性而为人们所熟知〔cotinine〕The major metabolite of nicotine that indicates levels of nicotine intake.可铁宁：尼古丁的主要代谢物，能表示尼古丁摄取量的程度 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。