Previously, scientists noticed pollutants arriving in the Arctic with the wind.

以前，科学家注意到有随着风抵达北极的污染物。

But right now, there's not much wind to blow pollutants away.

但是现在，没有足够的风来吹走空气中的污染物。

Many air pollutants also cause global warming.

空气污染物也会导致全球变暖。

Our air quality now suffers from the effects of pollutants emitted directly from our cars.

我们的空气质量一直受到汽车排放污染物的影响。

That's not necessarily a problem, except it means more and more pollutants are discharged into the rivers.

那并一定是个问题，过那意味着越来越的污染被排放到河流之中。

These are pollutants or particles derived from human activity, or dust from other continents.

这些污染物或颗粒来自人类活动或其他大陆的灰尘。

It is also versatile, theoretically able to detect a broad range of stresses and pollutants.

而且它还有很功能，它能够检测种形变及污染物。

He means amounts of substances, pollutants, found in something, which here is the air.

他指的是在某物中发现的大量物质，污染物，这里是指空气中。

A monitor industrial pollutants rigorously. Right? Strictly.

严格监控工业污染物。

Day and night, their chimneys belched out clouds of pollutants.

他们的烟囱日夜停地喷出一团团污染物。

As chemical pollutants break down and sink into the earth, rivers become cleaner.

随着化学污染物分解并沉入地下，河流变得更加清洁。

Pollutants can also be released from wildfires.

污染物也可能来自野火。

An analysis kit for dofferent pollutants that was recommended by a scientist.

一个科学家推荐的用于分析同污染物的工具包。

There's a wide variety of known pollutants but they all fall into two categories.

已知的污染物有很种，但全都可以分为两类。

Although humans may be able to stabilize man-made pollutants, it might take decades.

虽然人类也能稳定人造污染物，但可能需要花费几十年。

In many parts of the world, a deep breath also brings pollutants into our bodies.

在世界地区，深呼吸还会将污染物带进身体。

Delhi's 24-hour air quality index measures the concentration of harmful pollutants.

德里的24小时空气质量指数衡量有害污染物的浓度。

Irritability is the carbon monoxide of emotional pollutants.

易怒就是一种情绪污染物的一氧化碳。

There is evidence to show that plants can remove pollutants from indoor air.

有证据表明植物是可以清除室内空气中的污染物的。

Where agricultural and industrial pollutants have accumulated for decades.

几十年来农业和工业污染物在这里积累。