尼古丁 (ní gǔ dīng) — nicotine

定義

例文

• 香烟里含有大量的尼古丁。
  Xiāng yān lǐ hán yǒu dà liàng de ní gǔ dīng.
  Cigarettes contain a large amount of nicotine.
• 尼古丁是一种有毒的物质。
  ní gǔ dīng Shì yì zhǒng yǒu dú de wù zhì.
  Nicotine is a toxic substance.
• 他决定戒烟，因为对尼古丁上瘾了。
  Tā jué dìng jiè yān, yīn wèi duì ní gǔ dīng shàng yǐn le.
  He decided to quit smoking because he became addicted to nicotine.