acid rain
柯林斯詞典
1. N-UNCOUNT Acid rain is rain polluted by acid that has been released into the atmosphere from factories and other industrial processes. Acid rain is harmful to the environment. 酸雨
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1. N-UNCOUNT Acid rain is rain polluted by acid that has been released into the atmosphere from factories and other industrial processes. Acid rain is harmful to the environment. 酸雨