a poisonous substance in tobacco that people become addicted to, so that it is difficult to stop smoking尼古丁；烟碱- The nicotine stains on his fingers told me he was under stress.他手指上的烟痕表明他压力很大。
- nicotine replacement therapy尼古丁替代疗法
Topics Social issuesc2Oxford Collocations Dictionaryverb + nicotine- be addicted to
- be dependent on
- be stained with
- …
nicotine + noun- addiction
- craving
- dependence
- …
See full entry Word Originearly 19th cent.: from French, from nicotiana (from modern Latin nicotiana (herba) ‘tobacco (plant)’, named after Jean Nicot, a 16th-cent. French diplomat who introduced tobacco to France in 1560) + -ine.