There are many harmful chemicals in cigarettes.

香烟中含有许多有害的化学物质。

They contain a harmful chemical that caused my liver to fail.

药里含有一种能导致肝功能衰竭的有害化学物质。

So, there's no harmful chemicals or oils that are left behind.

不会留下有害的化学物质或油脂。

– the technique that certain plants use to remove harmful chemicals from polluted environments.

—某些植物用来从受污染的环境中去除有害化学物质的技术。

Even the very small broken down plastic particles still produce harmful chemicals.

甚至非常小的塑料碎片仍然会产生有害的化学物质。

What if the drone's payload were an explosive or a harmful chemical?

如果无人机装载的是爆炸物或有害化学物质情况又会如何？

And it doesn't need fertilizers, which can leach harmful chemicals into nearby waterways.

而且它不需要肥料，因为肥料会将有害化学物质浸出到附近的水道中。

Factories like this one allow harmful chemicals to get into the air or water.

类似这样的工厂允许有害化学物质进入空气或水中。

It says the technology increased production and reduced the usage of harmful chemical on crops.

称这项技术增加了产量，并减少了对作物有害的化学物质的使用。

Many plastics may contain harmful chemicals that can speed up the maturing process and increase spoilage.

许多塑料可能含有有害的化学物质，这些物质会加快蔬果成熟，并快速腐坏。

They have switched to other less harmful chemicals, and labelled their cans 'ozone-friendly' or 'no CFCs'.

他们改用其他毒性较小的化学品，并在罐子上贴上了这样的标签：“不破坏臭氧层”或“不含氯氟烃”。

So what do you do with harmful indestructible chemicals that are found in hundreds of products?

那么，你如何处理在数百种产品中发现的有害且不可毁灭的化学物质呢？

Finally, he accepted the Kigali Amendment to the Montreal Protocol to reduce a harmful chemical called hydrofluorocarbons.

最后，他接受了《（蒙特利尔议定书）基加利修正案》，以减少被称为氢氟烃的有害化学物质。

She saw the waste of cloth and water, and the harmful chemicals that are used in the production process.

她看到了浪费的布料和水，以及生产过程中使用的有害化学物质。

If it's not doing any good, then why are we putting this potentially harmful chemical in our homes?

既然这么不好, 那么为什么我们把这一潜在有害的化学物质放在我们的家中?

Burning tires can release numerous harmful chemicals and gases into the environment, as well as particulates, said Lalit Dandona.

轮胎经过燃烧会释放大量有害化学物质、有害气体、颗粒到环境中，拉利特如是说道。

You can also unknowingly intake harmful chemicals through eating food in pvc-lined packaging and drinking water transported in PVC pipes.

食用PVC包装的食物和饮用PVC管道输送的水，也会使人们在不知不觉中摄入有害化学物质。

As a result, many laborers earn below the living wage, and are exposed to harmful chemicals, like toxic glue fumes.

许多劳工的收入低于生活费用，而他们还会暴露在有害的化学物质中，如有毒的胶烟。

Their aerosols often contain fewer harmful chemicals than smoke from burned tobacco, but they may still expose users to toxins.

尽管其烟油所含的有害化学物质通常比烟草燃烧产生的烟气所含的有害化学物质少，但使用者仍可能暴露在有毒物质之下。

Many places have been destroyed and many plants and animals have died. This is awful. Factories produce large numbers of harmful chemicals.

很多地区被毁坏，很多动植物死去。这很可怕。工厂产生了大量有害的化学物质。