nicotine
US /ˈnɪk.ə.t̬iːn/
UK /ˈnɪk.ə.tiːn/
名词
尼古丁
a toxic colorless or yellowish oily liquid that is the chief active constituent of tobacco. It acts as a stimulant in small doses but in larger doses blocks the activity of autonomic nerve cells and skeletal muscle cells. Nicotine is also used in insecticides.
示例:
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Cigarettes contain nicotine, which is highly addictive.
香烟含有尼古丁，它具有高度成瘾性。
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Many people use patches or gum to help reduce their nicotine cravings.
许多人使用贴片或口香糖来帮助减少他们对尼古丁的渴望。