How can we tell the air quality is good or bad?
我们怎样才能分辨空气质量是好是差呢？
The chemicals on shoes can deteriorate air quality.
鞋子上的化学物质会恶化空气质量。
It has experienced an overall decline in air quality.
空气质量整体下降了。
The government is taking action to make air quality better.
政府正在采取行动改善空气质量。
It can be put on a tree around your house to test the air quality.
你可以把它放在你房子周围的树上来测试空气质量。
Our air quality now suffers from the effects of pollutants emitted directly from our cars.
我们的空气质量现在受到了汽车直接排放的污染物的影响。
People can see a screen with information about the local air quality and how to improve it.
人们可以在屏幕上看到有关当地空气质量和如何改善空气质量的信息。
If more people join in the trend to ride bicycles to work then the air quality will be improved notably.
如果更多的人加入骑自行车上班的行列，那么空气质量将明显改善。
The dust and toxic chemicals you bring into your house via your shoes can deteriorate the air quality in your home.
你通过鞋子带进家里的灰尘和有毒化学物质会使家里的空气质量恶化。
All large and medium-sized Chinese cities will have greater air quality monitoring by 2010, says a government official.
一位政府官员表示，到2010年，中国所有大中型城市的空气质量监测都将得到加强。
An increase in some cancers and bronchitis may reflect changing smoking habits and poorer air quality, say the researchers.
研究人员说，患癌症和支气管炎的人数的增加可能反映了吸烟习惯的改变和空气质量的下降。
Bad air quality can contribute to many health problems such as asthma, and improperly discarded garbage can spread bacteria that are dangerous to health.
糟糕的空气质量会导致许多健康问题，比如哮喘，而丢弃不当的垃圾会传播细菌，危害健康。
In 2016, only one fourth of Chinese cities met the country's air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection.
根据环境保护部对全国338个城市的调查，2016年，只有四分之一的中国城市达到了国家的空气质量标准。
The zones do deliver some improvements to air quality, and the science tells us that means real health benefits—fewer heart attacks, strokes and premature births, less cancer, dementia and asthma.
这些区域确实改善了空气质量，而且科学表明，这意味着切实的健康收益——心脏病、中风和早产发病率降低，癌症、痴呆和哮喘等疾病的减少。
A lack of wind or rain over the past week hasn't helped improve air quality.
上周缺少风雨的天气并没有对空气质量提高起到帮助作用。
WHO is preparing new indoor air quality guidelines for household fuel combustion.
世卫组织正在针对家用燃料的燃烧问题起草室内空气质量新指南。
The management of poultry by-products focuses on soil, water and air quality issues.
家禽副产品的管理主要涉及土壤、水资源和空气质量问题。
"You don't need sophisticated instruments to tell you what is the air quality," Lu said.
“你不需要精密仪器来告诉你空气质量如何，”卢说。
In some parts of the world the air quality is so bad people can no longer breathe freely.
世界上一些地区的空气质量相当差以至于人们都不能自由呼吸了。
Poor indoor air quality may pose a risk to the health of over half of the world’s population.
室内空气质量恶劣可对全球一半以上人口健康构成风险。
The implementation of the plan will rely on air quality forecasts during the next few days, he says.
计划的实施完全依赖于对未来几天空气质量的预测。
You actively reduce air pollution, increase outdoor air quality by having 1 car on the road instead of 4.
用一辆车取代四辆，你积极地减少了空气污染，提高了室外空气质量。
Between August 17 and 20, the Beijing organising committee conducted studies of air quality during test events.
8月17日至8月20日，北京组委会在测试赛期间对空气质量进行了研究。
The measures would also improve air quality and increase food production, preventing as many as 2.5 million deaths.
这些措施也能提高空气质量和粮食产量，可以挽救大概250万的生命。
The measures would also improve air quality and increase food production, preventing as many as 2.5 million deaths.
这些措施也能提高空气质量和粮食产量，可以挽救大概250万的生命。
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