Is just a chemical reaction that compels animals to breed.

不过是让动物繁衍后代的化学反应罢了。

The blue hue is caused by chemical reactions in plankton which produced the blue light.

蓝色荧光是由浮游物产化学反应产的。

Other aerosols can host chemical reactions that damage the ozone layer.

其他气溶胶可以主导伤害臭氧层的化学反应。

The ability to study chemical reactions stage by stage will be equally important.

能够研究化学反应中的每一步同样很重要。

Now, during the roasting process, there are over 1,500 chemical reactions that take place.

焙过中，会过 1,500 种化学反应。

Some of our senses, such as vision, use chemical reactions that take time.

我们的某些感官，比如视觉，利用的是耗时的化学反应。

No chemical reaction occurs when tape is pressed onto a surface.

当胶带被铺展表面上，没有化学反应的。

In science, a catalyst is a substance that accelerates a chemical reaction.

科学中，催化剂是一种加速化学反应的物质。

It's actually to start a chemical reaction.

而是为了引化学反应。

And when all three mix together, the extremely hot chemical reaction lets off oxygen.

当三者融合，将化学反应，热产氧气。

And this chemical reaction got a great reaction from the students.

这个化学反应引起了学们的强烈反响。

It's often just a sign that you've got some kind of chemical reaction happening.

这通常只是表明了某种化学反应。

Well that is a chemical reaction called oxidation.

这是一种叫做氧化的化学反应。

The teacher carefully explained each facet of the chemical reaction.

老师仔细解释了化学反应的各个方面。

The third system of oxygen generation on board the ISS is related to chemical reactions.

国际空间站上的第三个制氧系统与化学反应有关。

And they tracked heat flow through the material, to monitor chemical reactions.

然后对通过这一材料的热流进行追踪，以监测化学反应。

Many molecular enzyme machines can carry out thousands of chemical reactions in a single second.

许多分子酶机器可以一秒钟内进行数千次化学反应。

The electricity in our bodies is created by chemical reactions between cells.

我们体内的电是由细胞间的化学反应产的。

Because essentially the whole metabolism, all the chemical reactions in your body, are accelerated.

“因为从本质上说，体内整个新陈代谢和所有的化学反应都加速。”

DAC technology uses chemical reactions to remove carbon dioxide from the air.

直接空气碳捕获法技术能够利用化学反应去除空气中二氧化碳。