But physiologically, metabolism really describes every single biochemical reaction that goes on in your body.

但是生理学上，新陈代谢确实描述了你体内发生的每一个生化反应。

Like alcohol, it's not necessary for any biochemical reaction in the body, you don't need it to survive.

和酒精一样，它并不是任何生命体中生化反应必须的物质，你完全不需要它来生存。

A unique biochemical reaction involving saline, tiny particles of gold and paper with antibodies is helping to give us quick and relatively accurate results.

一种独特的涉及含盐的微小金颗粒以及带抗体的纸的生化反应帮助我们得到快速且相对准确的结果。

I kept telling myself that the sweating palms, the tightness in my chest, the desire to put my arms around her were merely biochemical reactions.

我不断告诉自己，手心冒汗、胸口紧绷，或是渴望用双手搂抱她，都只是生理上的反应。

Water allows metabolism to occur, which is the process that drives all the biochemical reactions that take place in cells.

水允许新陈代谢发生，这是驱动细胞中发生的所有生化反应的过程。

Interesting. And would you agree that the primary way we would evaluate either the success or failure of the date would be based on the biochemical reaction during the good night kiss?

有意思。你是否同意我们评价约会成败的依据，是基于离别之吻时的化学反应？

When adenosine docks to these receptors, it activates a cascade of biochemical reactions that cause neurons to fire more sluggishly and slow the release of important brain-signaling molecules.

当腺苷与这些受体对接时，它会激活一系列生化反应，导致神经元放电更加缓慢，并减缓重要大脑信号分子的释放。

A sugar craving is a biochemical reaction, and it turns out your brain can tell the difference between real sugar and the fake stuff even when your taste buds can't.

对糖的渴望是一种生化反应，事实证明，即使您的味蕾不能， 您的大脑也能分辨真糖和假糖。