1·We need more laws to stop pollution.
我们需要制定更多法律来防止污染。
—— 《牛津词典》
2·Steps are to be taken to abate pollution.
应该采取措施减少污染。
—— 《牛津词典》
3·We are taking steps to prevent pollution.
我们正在采取措施防止污染。
—— 《牛津词典》
4·Cars cause pollution, both smog and acid rain.
汽车引起污染，既有烟雾又有酸雨。
—— 《柯林斯英汉双解大词典》
5·The level of pollution in the river was falling.
该河流受污染的程度其时正在降低。
—— 《柯林斯英汉双解大词典》
1·Not all air pollution starts out as soot.
并非所有的空气污染物一开始都是煤烟。
2·"How much will the transport of pollution change in the future, as emissions increase or the monsoon changes?"
“随着排放增加或者季风发生变化，将来污染物的传播会发生怎样的变化呢？”
3·But not all air pollution starts out as soot.
但空气污染物最初的形态并不一定都是烟尘。
4·They have become an every day part of our modern day world. Chemicals are present in pesticides, pollution and all kinds of industrial waste.
它们已成为我们现代社会日常生活的组成部分，化学物质存在于杀虫剂、污染物和各类工业废弃物中。
5·The authors say that increased levels of aerosols — particles of pollution in the air above China — are caused by increasing fossil fuel consumption, particularly in big cities like Beijing.
作者指出，在中国，尤其是在像北京等大城市，空气中的粒子污染物气溶胶溶度的不断上升，是由大量化石燃料燃烧造成的。
1·The glare of street lights and the dust of pollution veil the night sky.
城市中耀眼的街灯和污染性烟尘遮住了夜空。
2·The waste water discharged by the strong row gas water heater is discharged to the outside and has certain pollution to the environment.
强排式燃气热水器将废弃排向室外，对环境也具有一定的污染性。
3·Natural Gas is more and more concerned because of its availability, low pollution and economy.
天然气以其良好的燃料可获得性、低污染性和经济性日益受到世界各国的重视。
4·Crassulaceae had the best performance under pollution in 7 ground cover plants.
结果表明：景天科植物在所测试的7种地被植物中的抗污染性最强。