人类细胞有将大分子分解成小分子的能力；从而为自身活动释放足够的能量。

Human cells have the ability to break down large molecules to smaller ones to liberate sufficient energy for their activities.

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热解后，废弃印刷电路板中的有机树脂降解成小分子的石油产品，同时与无机惰性组分的分离。

Pyrolysis, discarded printed circuit boards in the degradation of organic resin into small molecules of petroleum products, and at the same time inorganic inert component of the separation.

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第一阶段：酵母菌发酵：酵母菌发酵阶段将大分子分解成小分子，把淀粉分解成二氧化碳和酒精，也叫糖化作用。

First stage: yeast fermentation: yeast fermentation stage will decompose large molecules into small ones, decompose starch into carbon dioxide and alcohol, also known as glycation.

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I want to finish this discussion by including the anti-bonding orbital, and this is a tip for you when you're drawing your molecular orbital diagrams, any time you draw a bonding orbital, there is also an anti-bonding orbital that exists.

我想要以包含反键轨道,来结束这个讨论，告诉你们一个,画分子轨道图的小技巧，任何时候你画一个成键轨道，都会存在一个反键轨道。

麻省理工公开课 - 化学原理课程节选