the Clean Air Act
/ðə ˌkliːn ˈeər ækt/
/ðə ˌkliːn ˈer ækt/
- (in the UK) any of a series of laws passed between 1956 and 1968 with the aim of making the air cleaner, especially by forbidding in certain areas the burning of any fuel that produces smoke. Before the first Clean Air Act of 1956, a mixture of smoke from coal fires and damp winter air produced the famous London smog (= smoke mixed with fog), which in some years caused the deaths of thousands of people.
《清洁空气法》：1956年至1968年通过的一系列法律中的任何一项，旨在使空气更清洁，尤其是在某些区域禁止燃烧产生烟雾的任何燃料。在1956年第一部《清洁空气法案》颁布之前，燃煤烟雾和潮湿的冬季空气混合产生了著名的伦敦烟雾，几年来造成数千人死亡。