nicotine是什么意思

短语搭配

(1)nicotine patch尼古丁戒烟贴

(2)nicotine addiction尼古丁成瘾

(3)nicotine withdrawal尼古丁戒断；尼古丁的减少；尼古丁的消退

双语例句

(1)Nicotine is harmful to the human body.

尼古丁对人体有害。

(2)Nicotine is a natural alkaloid mainly found in tobacco.

烟碱是一种主要存在于烟草中的天然生物碱。

(3)Electronic cigarettes still contain nicotine.

电子烟中依然含有尼古丁。

(4)Tobacco is addictive because of the nicotine in it.

烟草之所以让人上瘾是因为里面含有尼古丁

(5)A nicotine spray can help smokers quit the habit.

一种尼古丁喷剂可以帮助吸烟者戒烟。

(6)Nicotine produces a feeling of well-being in the smoker.

尼古丁能让吸烟者产生一种愉悦的感觉。

(7)Nicotine adversely affects the functioning of the heart and arteries.

尼古丁对心脏和动脉功能有负面影响。

(8)It allows nicotine to diffuse slowly and steadily into the bloodstream.

它使尼古丁缓慢、稳步地扩散到血液当中。

(9)You are given capsules or pills with small quantities of nicotine to wean you from the habit.

会给你一些含有少量尼古丁的胶囊或药片帮你戒瘾。

释义

n.

a toxic colourless or yellowish oily liquid which is the chief active constituent of tobacco. It acts as a stimulant in small doses, but in larger amounts blocks the action of autonomic nerve and skeletal muscle cells.

尼古丁，烟碱。

词源

"early 19th cent.： from French, from NICOTIANA + -INE4."

考纲分布

近9年出现22次

重要程度: 5星

100%; n 尼古丁; 烟碱

考纲释义

( 1)n. 尼古丁; 烟碱

英文释义：a poisonous substance in tobacco that people become addicted to, so that it is difficult to stop smoking

真题例句：

Brands which contain higher nicotine content were found to be much more popular.

尼古丁含量较高的品牌更受欢迎。[2016年 CET4 听力]

The biggest increase in nicotine content tended to be in brands young smokers like.

尼古丁含量增加最多的往往是年轻吸烟者喜欢的品牌。[2016年 CET4 听力]

Under the law in Massachusetts, tobacco companies have to measure the nicotine content of every type of cigarette and report the results.

根据马萨诸塞州的法律，烟草公司必须测量每种香烟的尼古丁含量，并报告结果。[2016年 CET4 听力]

考纲分布

近9年出现3次

重要程度: 4星

100%; n 尼古丁; 烟碱

考纲释义

( 1)n. 尼古丁; 烟碱

真题例句：

Any veteran nicotine addict will testify that fancy packaging plays no role in the decision to keep smoking.

所有老烟瘾者都可以作证，花哨的包装对决定是否继续吸烟没有任何作用。[2016年 CET6 阅读理解C]

There is strong opposition from veteran nicotine addicts.

老烟瘾者对此表示强烈反对。[2016年 CET6 阅读理解C]

(1)No, I know, but plenty of things are addictive after a single exposure. I mean, crack cocaine, nicotine, Pringles. You know once one pops one just can't stop.

不，我知道，但很多事物只要试一次就会上瘾，比如说可卡因，尼古丁，品客薯片，根本停不下来。《The Big Bang Theory Season 10》《生活大爆炸 第十季》