在所有细胞中，磷是能量运送分子的一个主要成分（腺甘酸和三磷酸盐），同样也是磷脂质构成的细胞膜。

Phosphorus is a central component of the energy-carrying molecule in all cells (adenosine triphosphate) and also the phospholipids that form all cell membranes.

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举例来说，尽管咖啡因通过阻碍有助睡眠的大脑化合物腺甘从而让人们保持清醒，但咖啡中的绿原酸让腺甘苷在大脑中循环的时间延长了。

For example, while caffeine keeps people awake in part by blocking adenosine, a brain chemical that brings on sleep, the chlorogenic acid in coffee keeps adenosine circulating in the brain longer.

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此外，咖啡因会替换掉一种叫腺甘酸的化学物质，这种物质还会产生疲劳的感觉，从而让你活力更充沛。而睡觉可以彻底让腺甘酸从你大脑里清除。

What's more, caffeine makes you feel more energetic by displacing a chemical called adenosine, which produces a feeling of tiredness - and sleep naturally clears adenosine from your brain.

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