In five, six hours, you have extracted most, or essentially all, relevant flavor active compounds.

其实经过五到六小时，就已经萃取出大部分或基本上全部和味道相关的活性化合物。

This extracted the active compounds in the herbs — without breaking them down, as boiling can do.

这种溶液能够提取草药中的活性化合物——而不会像煮沸一样将它们分解。

As it turned out, the key to this life-saving cure was an active compound from the wormwood plant called artemisinin.

事实证明，这种救命疗法的关键是一种来自艾草植物的活性化合物，叫做青蒿素。

But during World War II, researchers figured out how to isolate the active compound and grow the mold in larger quantities.

但是在第二次世界大战期间，研究人员想出了如何分离活性化合物并使霉菌的大量生长的方法。

Smoking only takes 6 seconds for the active compounds to reach your nervous system, unlike chewing tobacco or eating edible marijuana which takes much more time, BUT you have to inhale smoke in the process.

只需要吸6秒钟的烟，活性化合物就能到达你的神经系统，嚼烟草或吃可食用的大麻则需要更多的时间，但在这个过程中你必须吸入烟雾。