单词	acid rain
释义	acid rain noun : rain that has increased acidity caused by environmental factors (such as atmospheric pollutants) Example Sentences trees damaged by acid rain Recent Examples on the Web But with extreme environmental repercussions from acid rain looming, policy discussions on the phenomenon consumed Capitol Hill throughout the 1970s and 1980s. Tori B. Powell, CBS News, 22 Apr. 2022 Massive multistate lawsuits against the federal government date back to the 1980s, when attorneys general sued President Reagan over acid rain. Shelley Murphy, BostonGlobe.com, 14 Aug. 2022 Historically, coal plants emitted a lot of sulfur dioxide, which causes acid rain. Robert Rapier, Forbes, 9 Aug. 2022 These gases reach the atmosphere, where nitrous oxide (N2O) can contribute to warming via the greenhouse effect and nitrogen oxides (NOx) can cause acid rain. Sasha Warren, Scientific American, 27 July 2022 Again, much like acid rain, the problem hasn’t totally gone away. Doug Johnson, Ars Technica, 22 July 2022 Ultraviolet rays beat down from the sun and acid rain breaks down a paint’s clear coat over months and years. Talon Homer, Popular Mechanics, 22 June 2022 The challenge for nearly 50 years has been in protecting what so many Americans see as a fundamental belief in bodily autonomy from the acid rain of nonbelievers. Washington Post, 3 May 2022 Likens led a group of scientists to the White House to brief the then-President Ronald Reagan on acid rain in 1983. Tori B. Powell, CBS News, 22 Apr. 2022 See More Word History First Known Use 1845, in the meaning defined above Medical Definition acid rain noun : acid precipitation especially in the form of rain
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