不同于普通的技术，它能够将蒸馏出的物质保持在足够低的温度，将通常会消失的易挥发材料保留下来。

unlike a regular still, it keeps the distillate at a low enough temperature to retain the volatile components that ordinarily disappear.

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你，为了活下去，必须频繁得、毫无保留地说出你作为患者权利和你的要求，同样，只有你才对自己的大脑最了解。

You, in order to survive, must speak out frequently for your rights as a patient and for your desires, too for you alone know your brain best.

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例如，100年前的鸟皮如今正在被用来拼接出一个禽流感的记录，因为羽毛中保留毒素的痕迹。

For example, 100-year-old bird skins are being used today to piece together a record of avian flu, as the feathers retain traces of toxins.

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