nicotine

详细解释:n. * , 尼古丁
【化】 * ; 尼古丁
【医】 烟硷

英语解释：

名词 nicotine:

an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide

例句：

Smokers who inhale are likely to become addicted to nicotine.吸烟的人容易对尼古丁上瘾。