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单词 acid rain
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈac•id ˈrain, n. [uncountable]
  1. Meteorologyrain containing acid-forming chemicals, resulting from the release into the atmosphere of industrial pollutants: Acid rain has damaged trees and lakes in the environment.

WordReference Random House Unabridged Dictionary of American English © 2024
ac′id rain′, 
  1. Ecology, Meteorologyprecipitation, as rain, snow, or sleet, containing relatively high concentrations of acid-forming chemicals, as the pollutants from coal smoke, chemical manufacturing, and smelting, that have been released into the atmosphere and combined with water vapor: harmful to the environment.
  • 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::
acid rain n
  1. rain that contains a high concentration of pollutants, chiefly sulphur dioxide and nitrogen oxide, released into the atmosphere by the burning of fossil fuels such as coal or oil
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更新时间：2025/7/23 22:02:59