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nicotine

/ˈnɪkətiːn/ 名词 B2

中文: 尼古丁、烟碱

  1. An alkaloid (C₁₀H₁₄N₂), commonly occurring in the tobacco plant. (uncountable) · She is addicted to nicotine.
  2. Tobacco or cigarettes. (figuratively, uncountable) · He's got nicotine stains on his fingers.
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