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Car exhaust is a major contributory factor in air pollution. 汽车尾气是导致空气污染的一个主要因素。The government is now bringing in laws to reduce air pollution. But, is it a case of too little, too late?政府如今正引入法律以减少空气污染。但这是否为时已晚了呢？Air pollution is one of the many problems being addressed by the scientists at the conference.空气污染是与会科学家们关注的诸多问题之一。The new air pollution controls are designed to limit harmful emissions from industry and motor vehicles.新的空气污染控制措施是为了限制工业和机动车辆的有害气体排放而设计的。Air pollution contributes to respiratory diseases.空气污染会引起呼吸道疾病。Air pollution has risen above an acceptable level.空气污染已超过可接受的水平。Cars are a major cause of air pollution.汽车是引起空气污染的主因。They've set up a research project to investigate the harmful effects of air pollution.他们已制订了研究方案，探讨空气污染的危害。There is growing public anxiety over levels of air pollution in our cities.公众越来越担心城市中的空气污染程度。The National Asthma Campaign is funding research into allergy and air pollution.全国防治哮喘病运动为过敏症和空气污染研究提供资助。The report found what it described as "unacceptable levels of air pollution" in several major cities.在几个大城市里都出现了这份报告所表述的“难以忍受的空气污染状况”。The air is sampled continuously to measure changes in air pollution.会对空气持续地进行抽样检验，以检测空气污染的变化。Because the town sits in a valley, air pollution is not easily dispersed.因为小镇坐落在山谷中，空气污染不太容易散去。There is evidence that air pollution can cause birth defects.有证据证明空气污染能导致出生缺陷。Researchers have now established a connection between air pollution and asthma.研究人员现在已经确定了空气污染与哮喘之间有联系。Many athletes feel the effects of air pollution during outdoor exercise.许多运动员在户外运动时都感觉到了空气污染的影响。Cars are still one of the principal contributors to air pollution.汽车仍是空气污染的主要因素之一。She says that transporting goods by rail instead of road would cut air pollution dramatically.她说不用汽车而用火车运输货物可大大减轻空气污染。Great strides have been made in reducing air pollution in US cities.减少美国城市里空气污染的工作已经取得很大进展。Air pollution has reached dangerous levels in some cities.有些城市的空气污染已经达到了危险的程度。The problem of air pollution is especially serious in urban areas.空气污染问题在市区格外严重。The present study reveals an unacceptable level of air pollution in the city.目前的研究表明，市内的空气污染已到了无法接受的地步。The new agency is responsible for controlling air pollution.新机构负责控制空气污染。Air pollution is a matter that touches everyone.空气污染是关乎每个人的事情。Air pollution is clearly visible in the skies over the city.空气污染在这个城市上空清晰可见。There are many sources of air pollution; exhaust fumes, for example.空气污染有许多来源，例如废气。It seems very likely that air pollutants are sensitizing people so that they become allergic to pollen.空气污染似乎很有可能使人们变得敏感，从而对花粉产生过敏反应。The air pollution exceeds acceptable levels.空气污染超过了可以接受的水平。A major threat from extraneous sources is air pollution and acid rain.源自外部的重大威胁是空气污染和酸雨。The factory is one of the worst offenders in terms of air and water pollution.说到空气污染和水污染，这家工厂是最大的祸害之一It is urgent that the acute problem of air pollution in the city be solved.该城市空气污染这一严重问题急须解决。They say gas guzzlers are contributing to air pollution.他们说高油耗汽车是造成空气污染的原因之一。Air pollution brings an awareness of environmental protection.空气污染是大家关心环保问题。Air pollution has become one of the most significant health problems of our time.空气污染成了我们这个时代最重大的健康问题。Air pollution may aggravate a child's asthma.空气污染可能会加重儿童哮喘。 |