術語: 術語辭彙的描述.
acid rain
背景: Geography.
Rain polluted by sulphur dioxide and nitrogen oxide falling through the atmosphere that has pH lower than 7.0.
文獻
Coad, Brian & D.E. McAllister. 2007. "Dictionary of Ichtyology". Brian W. Coad. Retrieved on June 21, 2014, from:http://www.briancoad.com/Dictionary/Complete%20Dictionary.htm (crc06223)