Tobacco plants of, course, are grown to make cigarettes.

人们种植烟草植物自然是用来制作香烟的。

It was made in tobacco plants.

它是用烟草植物制作的。

Tomato and tobacco plants can both decipher sagebrush warning signals.

蕃茄与菸草植株 皆可解读山艾树的警告讯号。

But, finally, one must feel empathy for the tobacco plant itself.

但是最后，我们必须对烟草这种植物施以同情。

It's excellent, I said, but it's not from the tobacco plant.

好极了，但不是烟草。

Like when tobacco plants respond to the saliva of tobacco hornworms by releasing a signal that attracts the big-eyed bug.

就像烟草植物会对天蛾幼虫的唾液做出反应，释放信号来吸引大眼昆虫一样。

With bare hands, Tina is putting chemical fertilizer on the tobacco plant. This is the first stage of the process.

缇娜徒手将化肥施在烟草上。这是烟草种植的第一个环节。

Most early discoveries regarding viruses actually came from botanists trying to better comprehend a virus that was going after tobacco plants.

大多数关于病毒的早期发现实际上来自植物学家，他们试图更好地理解一种针对烟草植物的病毒。

Tobacco plants can make millions of doses of vaccine in weeks instead of months, and it might just be the first healthy use of tobacco ever.

烟草能在短短几周而不是几个月内制成数百万剂疫苗。而且这大概是有史以来烟草第一次被用于健康用途。

India is among the world's top tobacco producers. Tobacco plants grow well throughout several states in India.

印度是世界顶级烟草生产国之一。烟草植物在印度的几个邦生长良好。

They developed a way to insert its genes into tobacco plants, which are more plentiful and can produce much more of the drug.

他们开发了一种将其基因植入烟草植物的方法，烟草植物数量更多，可以产生更多的药物。

But Edmund grew tobacco plants as a hobby.

但埃德蒙将种植烟草作为一种爱好。

And if it seems far-fetched that tobacco plants could make people healthy, what about gamers that could solve problems that experts can't solve?

如果你觉得烟草能使人健康有些牵强。那么，对游戏玩家解决了专家都束手无策的问题，你有什么想法呢？

So the researchers put tomato and tobacco plants inside a microphone-lined box.

因此，研究人员将番茄和烟草植物放入一个装有麦克风的盒子内。

One day, the tobacco plants started to die.

有一天 烟草开始死亡。

But their tobacco plants grew much more of the drug than previous studies.

但是他们的烟草植物比以前的研究种植了更多的药物。

That's because it can be way cheaper to cultivate tobacco plants in a field than to grow genetically modified yeast and other microbes indoors in large fermenters.

这是因为在野外种植烟草，比在室内大型发酵桶中培养转基因酵母和其他微生物要便宜得多。

They fed some crushed leaves from the engineered tobacco plants to mice, and those mice had fewer malaria parasites swimming around in their blood.

他们将一些经过改造的烟草植物的碎叶喂给老鼠，这些老鼠血液中游动的疟疾寄生虫较少。

Further research will determine if this system can work to produce other valuable enzymes, which could help transform the tobacco plant from health enemy to ally.

进一步的研究将确定该系统是否可以产生其他有价值的酶，这可以帮助将烟草植物从健康敌人转变为盟友。

Now, this week in a study in the journal Molecular Plant, Indian and American researchers have made the drug much easier to get, by genetically engineering tobacco plants to make artemisinin.

现在，本周在《分子植物》杂志上发表的一项研究中，印度和美国的研究人员通过对烟草植物进行基因工程以制造青蒿素， 使这种药物更容易获得。