酸雨 [环境] acid rain ; chemical rain ; AR

酸雨、越境空气污染 acid rain and transboundary air pollution

酸雨云 Acid Cloud

模拟酸雨 simulated acid rain ; artificial acid rain ; simulant acid rain ; simulatedacidrain

酸雨计划 Acid Rain Program

嫉妒酸雨 Jealousy Rain

酸雨污染 Acid Rain Pollution

酸雨特征 pH value in rain ; the characteristic of acid rain

酸雨世纪 Acid Region

造成酸雨 Cause acid rain ; Causing acid rain