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土著零食家
nicotine查字典就行了
清水颐园
nicotine ['nikəti:n] n.尼古丁
加杰特侦探
尼古丁(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
屈小兔.
尼古丁:Nicotine
爱谁是谁007
nicotine.呵呵
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