The examination pollutes the PH value of water and pure water, and contrast with pure water.

There are always particles of dust in the air. Dust tints sunsets and pollutes city air.

空气中总是有尘埃, 会使夕阳染上红色,也使城市空气受到污染.

Bill is tired of hearing nonsmokers complain about having to share the air that he pollutes.

比尔已听够了非吸烟者埋怨不得呼吸被他污染了的空气.

I have no doubt that we are polluting the environment beyond redemption.

我丝毫都不怀疑我们对环境的污染是不可挽回的。

That's what's polluting the lake.

那就是污染湖水的东西.

As if there's something wrong with noisy, polluting over-sized cars.

好像有什么东西不对的噪音, 污染了型车.

Why not stop them ( from ) polluting the river?

为什么不阻止他们污染这条河 呢 ?

I intend to forgive my ancestors for polluting the land or sea.

我意愿宽恕污染大地或大海的我的祖先.

Ways must be found to prevent the poisonous gases from polluting the air.

一定要找到办法防止有毒气体污染空气.

Our tests are not polluting the atmosphere.

我们的试验并不沾污大气层.

Factories upstream ( from us ) are polluting the water.

在 ( 我们 ) 上游的工厂污染了河水.

We are polluting earth, air, water and everything around us.

我们正在污染土壤 、 空气 、 水和我们周围的一切.

The smoke issuing from the chimneys is polluting the air of this zone.

从烟囱里冒出的烟正在污染这个地区的空气.

Thousands of young salmon and trout have been killed by the pollution.

成千上万的鲑鱼和鳟鱼的鱼苗因污染而死亡.

All pollution is simply an unused resource.

所有的污染只不过是一种未被利用的资源.

The pollution could decimate the river's thriving population of kingfishers.

污染可能会造成河边大量繁殖的翠鸟大批死亡。

The level of pollution in the river was falling.

这条河中的污染物水平在下降。

to reduce levels of environmental pollution

降低环境污染的程度

California's tough anti-pollution laws

加利福尼亚州严厉的反污染法

The speech is very suggestive.

这篇演说含义深远.

beaches covered with pollution

秽物狼藉的海滩