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

• Research has suggested that, as with nicotine, high alcohol or caffeine intake may also contribute to seizures.
  研究表明，尼古丁、大量摄入酒精或咖啡因也可能引起癫痫发作。
• Y: Yeah, but that's why I smoke a brand with low nicotine and tar content.
  我知道，这也就是为什么我抽的是一个含有低尼古丁量，低烟焦油的量的烟了。
• After about three months, I was no longer addicted to nicotine.
  大约3个月后，我就不再对尼古丁上瘾了。
• 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。
• 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 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。
• 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。
• 0.8 milligrams or less of nicotine& a poisonous and addictive drug;
  0.8毫克或低于此量的尼古丁&一种有毒的和使人上瘾的毒品；
• There is also nicotine, which is powerful poison, and black tar.
  里面还有很强的毒素尼古丁和黑焦油。
• 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。