名詞 acid rain:

1. rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water
   同義詞：acid precipitation

1. Acid rain is harmful to amphibians such as salamanders, spring peepers, and frogs.
   酸雨是有害于兩棲的動(dòng)物，例如鯢、春天里唧唧叫的小動(dòng)物和青蛙。