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清影5127
Nicotine
深海R蔚蓝
尼古丁:Nicotine
cdzsmz5288
尼古丁 英语是 Nicotine
水果西瓜太郎
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
november1985
一氧化碳 carbon monoxide
Dianayaoyao
nicotine
bluelights
nicotine.呵呵
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