单词	acid precipitation
释义	acid precipitation noun : precipitation (such as rain or snow) having increased acidity caused by environmental factors (such as atmospheric pollutants) Example Sentences Recent Examples on the Web Some countries throughout Asia like China still see widespread effects of acid precipitation frequently. Tori B. Powell, CBS News, 22 Apr. 2022 But despite emission reductions, Likens warns that acid precipitation in North America is not entirely a thing of the past. Tori B. Powell, CBS News, 22 Apr. 2022 Word History First Known Use 1955, in the meaning defined above Medical Definition acid precipitation noun : precipitation (as rain or snow) having increased acidity caused by environmental factors (as atmospheric pollutants)
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