原理：当人体碳水化合物摄入不足时，它从脂肪燃烧中获得能量，取代原来的碳水化合物。
How it Works: When the body takes in very few carbs, it gets its energy by burning fat instead of carbs.
他们的目的并不仅仅只是为了颠覆化学原理，而是为了创造出新的毒性更弱的有用的具有催化剂功能的化合物。
The goal was not just to turn chemical rules upside down, but to create new catalytic compounds that are less toxic and have useful properties.
它的原理在于：当植物蛋白受体受到有害化学物质的刺激时，叶面外皮会释放出一种萜类化合物用以覆盖叶面，因此植物会改变其颜色。
It works because the receptor proteins in plant DNA respond naturally to threatening stimuli by releasing chemicals called terpenoids to thicken the leaf cuticle, thereby changing its colour.
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