污染

There was no modern air conditioning and air pollution from factories was a problem.

没有现代的空调和来自工厂的空气污染是个问题。

There was no modern air conditioning and air pollution from factories was a problem .

没有现代的空调，同时来自工厂的空气污染也是个很严重的问题。

There was no modern air conditioning and air population from factories was a problem.

没有现代的空调系统，而且来自工厂的空气污染也是一个问题。

California's air pollution control program is one of the most effective in the world.

加州的空气污染控制方案是世界上最有效率的方案之一。

Nearly all of the countries are trying hard to prevent and control air pollution.

几乎所有的国家都在想方设法防止和控制空气污染。

The theme of my speech is "Ways to Control Air Pollution".

我的演讲主题是『控制空气污染的方法』。

In order to control air pollution, the Chinese government has implemented a variety of programs.

城市空气污染影响着城市居民的健康和城市的发展。

It covers the detailed solutions to control the air pollution.

它包括具体的控制空气污染的解决方案。

The government has brought forward a plan to control the air pollution.

政府已经提出了一个控制空气污染的计划。

The center specializes in environmentally friendly products and the sale of indoor air pollution control and prevention.

本中心 专业从事环保产品的销售和室内空气污染的治理及防治。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。