nicotine

英 [ˈnɪkətiːn]

美 [ˈnɪkətiːn]

n.  尼古丁; 烟碱

过去式：nicotined　

TOEFLGRETEM8化学

Collins.1 / BNC.16283 / COCA.10295

牛津词典

noun

• 尼古丁；烟碱
  a poisonous substance in tobacco that people become addicted to, so that it is difficult to stop smoking

柯林斯词典

• N-UNCOUNT 尼古丁;烟碱
  Nicotineis the substance in tobacco that people can become addicted to.
  1. Nicotine produces a feeling of well-being in the smoker...
     尼古丁给吸烟者带来一种愉悦的感觉。
  2. Nicotine marks stained his chin and fingers.
     尼古丁渍染黄了他的下巴和手指。

英英释义

noun

• an alkaloid poison that occurs in tobacco

双语例句

• The tablets contain tobacco's most addictive component, nicotine.
  这些锭剂中含有烟草最令人上瘾的成分&尼古丁。
• Doctors also warn us of nicotine, tar, and many other toxic substances contained in cigarettes.
  医生也警告我们，香烟含有尼古丁、焦油以及许多其它有毒的物质。
• The amount of nicotine in these nicotine substitutes can be enough to excite the heart.
  这些尼古丁替代品中的烟碱含量足以刺激心脏。
• It allows nicotine to diffuse slowly and steadily into the bloodstream
  它能使尼古丁平稳缓慢地渗透到血液里。
• A nicotine spray can help smokers quit the habit without putting on weight
  尼古丁喷雾剂能够帮助吸烟者在不增加体重的同时戒烟。
• Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.
  抽烟时吸入的尼古丁和一氧化碳都已经被标定为致病因素。
• Pregnant women who smoke can pass nicotine and carbon monoxide to their baby through the placenta.
  [18]抽烟的怀孕女性会通过胎盘把尼古丁和一氧化碳传给胎儿。
• Nicotine marks stained his chin and fingers.
  尼古丁渍染黄了他的下巴和手指。
• The nicotine removing efficiency of six kinds of cigarette filter have been studied and compared with activated carbon fiber.
  研究了6种牌号香烟过滤咀对烟草中尼古丁的吸滤率，并与活性炭纤维进行了比较。
• You are given pills with small quantities of nicotine to wean you from cigarettes
  会给你一些含少量尼古丁的药片帮你戒除烟瘾。