1·No American should have to drive out of town to breathe clean air.
任何美国人都不应非得开车出城去呼吸清洁的空气。
—— 《柯林斯英汉双解大词典》
2·Citizens of wealthy nations demand national parks, clean rivers, clean air and poison-free food.
富裕国家的公民要求有国家公园、干净的河流、干净的空气和无毒的食物。
3·Its clean air, attractive parks, and the absence of any industry, make this an ideal spot for people looking for a quiet life.
它有干净的空气、吸引人的公园以及没有任何工业，使它成为人们寻找安静生活的理想场所。
4·In smoggy weather, the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the biker's face.
在有雾霾的天气里，机器会吸进自行车前面的空气，然后向骑自行车的人的脸上吹出一股清新的空气。
5·Seven months and one election day later, a new conservative city council suspended enforcement of the clean air zone, a first step toward its possible demise.
七个月后大选日结束的第一天，由保守派掌控的新一届市议会中止了“清洁空气区”的执行，迈出了废除该项措施的第一步。
6·There was also passage of the Clean Water Act and the Clean Air Act was strengthened.
《清洁水法》也通过了，并且《清洁空气法》也得到了支持。
7·In the twenty years that the Clean Air Act has mandated unleaded gas use in the United States, the lead accumulation worldwide has decreased significantly.
在《清洁空气法案》强制要求美国使用无铅气体的二十年里，铅在世界范围内的累积量显著下降。
8·Today you have clean air to breathe
今天你有新鲜空气呼吸
9·Trees can clean air and beautiful life.
同时树木还帮我们净化空气，美化生活。
10·Clean air, clean water and rich forest and wildlife.
干净的水，丰富的森林资源以及野生动植物。