Tobacco contains nicotine, which is addictive.

烟草含有尼丁，它可致人成。

Unnaturally high nicotine concentrations deterred the bees.

尼丁浓度高于自然水平会使大黄蜂望而却步。

His addiction to nicotine trumped convention and courtesy.

他烟胜过了公德和礼貌。

Many contain addictive nicotine, and there's conflicting research on whether they help smokers kick the habit.

许多电子烟都含有成性尼丁，这些产品有助于吸烟者戒烟，针对该问题研究也没有达成一致。

Tobacco contains an alkaloid called nicotine.

烟草含有一种叫做尼丁生物碱。

That worries the department because of the addictive nature of nicotine.

这令卫生部感到不安，因为尼丁一种能让人物质。

In particular, nicotine is a highly flexible molecule.

尼丁一种尤其高活性分子。

Look, there are other ways to quit. You can try the nicotine patch, or nicotine chewing gum.

看，还有其他方法能戒烟。你可以试试尼丁贴片或尼丁口香糖。

Nicotine affects the hippocampus as well.

尼丁也会损害海马体。

Health experts say nicotine is highly harmful to developing brains.

健康专家表示，尼丁对发育中大脑极具危害。

They contain carcinogens like nicotine and other toxins like arsenic.

它们含有尼丁等致癌物和砷等毒素。

The symptoms they report are consistent with acute nicotine poisoning.

根据他们所描述症状，这与急性尼丁中毒相吻合。

Headaches and seizures are also common signs of nicotine poisoning.

头痛和癫痫也尼丁中毒常见病症。

E-cigarettes create a vapor out of nicotine and other chemicals.

电子烟由尼丁和其他化学品制造出烟雾。

Professor Terrence said nicotine is connected to high protease levels in the lungs.

特伦斯教授说，尼丁与肺部高蛋白酶水平有关。

Nicotine is a toxin that stimulates your body to produce adrenaline.

尼丁一种毒素，刺激你身体产生肾腺素。

Instead, they release a nicotine vapour that makes people feel like they are smoking.

相反, 电子烟释放尼丁蒸汽，让人们觉得自己在吸烟。

It also decreases the amount of nicotine permitted in smoked tobacco products.

它还会减少烟草制品中允许尼丁含量。

These substances contain chemicals similar to nicotine and affect insect nervous systems.

这些农药中含有类似尼丁物质，这种物质会影响蜜蜂神经系统。

The bacteria uses nicotine as its sole source of carbon and nitrogen.

这种细菌会将尼丁视为唯一碳及氮来源。