clean air

基本解释

As a mother, I do hope my daughter and the future generations will breathe clean air and live in a good environment.
作为一位母亲，我希望我的女儿和后代能呼吸新鲜空气，在一个良好的环境中生活。
Then-President George H. W. Bush signed the last significant American air quality legislation in 1990, an amendment to the Clean Air Act.
那时的总统老布什1990年最后一次签署了美国空气质量法规，一个清洁空气法案的修正案。
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She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.
她说，大自然提供的物质与服务，比如清洁空气、雨水和肥沃的土壤，不应被认为是当然的存在。

She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.
The air is crisp and clean, unlike this room.
不像这屋子里，外面的空气新鲜又清静。
I want to 实战 - SpeakingMax英语口语达人
"China has reduced extreme poverty through economic growth, but until very recently has overlooked the growing inequalities in health and health determinants like access to clean air,water, and sanitation."

Simply put, the time is overdue to implement the Clean Air Act Amendments of 1990.
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