尼古丁

The biggest problem with nicotine is how easily you become dependent on smoking or chewing tobacco.

而对尼古丁来说引起的最大的问题就是很容易使是你依赖于吸烟或咀嚼烟草。

However, nicotine replacement therapy will help smokers reduce cravings for a cigarette and stop them from contacts of tar, carbon monoxide as well as other harmful components in cigarette smoke, and ease symptoms of smoking cessation accordingly.

尼古丁替代疗法可帮助吸烟者减少烟瘾，并使吸烟者不接触焦油、一氧化碳和香烟中的其他有害成份，从而缓解戒烟时出现的病症。

Definitely. Cigarettes contain a lot of carcinogens like nicotine and tar. The ad compares lungs to a sponge. If you could wring out the cancer- producing tar, that goes into the lungs of a pack-a -day smoker every year, this is how much you'd get

是阿，菸里面有许多尼古丁、焦油等致癌物质，这支广告就是如果把肺比喻成海绵，如果一天吸一包菸，一整年下来，肺中的致癌焦油真的可以挤出这麼一大杯焦油呢！

Mother's smoking also can transmit tar to baby by breeding milk

吸烟的母亲还有可能通过喂母乳把尼古丁传给婴儿。

Nicotine can relax the lower esophageal sphincter, a muscle between the esophagus and stomach, allowing the acidic contents of the stomach to splash back into the esophagus.

尼古丁可以放松下部食管括约肌即位于食管与胃之间的肌肉，使胃的酸性内容物反流到食道。

It is a heterocyclic compound, containing a pyridine ring; its chemical formula is C10H14N.

尼古丁为杂环化合物，含啶环，化学式为C10H14N，是纸烟、雪茄和鼻烟中的主要上瘾成分。

Use of knock-out mice to determine the molecular basis for the actions of nicotine.

吸烟是为了获得更多的尼古丁，释放更多的多巴胺，以得到愉悦和安静

Keep Your Eye On...nicotine patch safe and effective for teens

关注：尼古丁贴剂对十几岁的青少年安全有效。

Added to increase the addictiveness of nicotine.

氨：一种腐蚀性的化学药品，用来增加尼古丁使人成瘾的作用

Scientists have finally figured out why the molecule is so picky--a finding that may shed light on the addictiveness of smoking.

科学家们终于弄明白为什么尼古丁对人体如此的挑剔，这个发现也可能用来阐明烟瘾的成因。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。