您要查找的是不是：
- Acid rain frequency and seasonal relation discussion in the rain fall in Ningde 宁德市降雨中的酸雨频率与季节关系探讨
- Acid rain frequency 酸雨频率
- The acid rain is threatening world environment. 酸雨危害环境。
- Acid rain does great harm to the crops. 酸雨对庄稼危害极大。
- DHMO is a major component of acid rain. 是形成酸雨的主要成分。
- She tuned in to the comments about acid rain. 她对有关酸雨的议论很关注。
- Acid rain corroded the architecture of the city. 酸雨侵蚀了这个城市的建筑。
- Acid rain does great damage to the crops. 酸雨给庄稼带来了巨大的危害。
- The problems of air pollution and acid rain are likely to worsen. 空气污染和酸雨的问题可能会更加严重。
- Acid rain is harmful to amphibians such as salamanders, spring peepers, and frogs. 酸雨是有害于两栖的动物，例如鲵、春天里唧唧叫的小动物和青蛙。
- The frequency of acid rain in Beijing has reached 80%, and August has seen the most serious acid rain pollution in Beijing so far this year. 北京的酸雨频率达到80%25，8月北京曾出现过今年以来最严重的酸雨污染。
- The acid rain is destroying the primitive tropical forests. 酸雨正在毁坏原始热带雨林。
- The problem of air pollution and acid rain are likely to worsen. 空气污染和酸雨的问题可能会更加严重。
- There's been a lot of debate about the cause of acid rain. 关于酸雨形成的原因已经讨论了很多了。
- Environmental foe acid rain can help alleviate global warming? 可减缓全球变暖:环境大敌酸雨也有有利的一面?
- Acid rain is causing immense damage to tropical rain forests. 酸雨给热带雨林造成了巨大的损害。
- Thousands of acres of trees are killed by acid rain every year! 每年有数千英亩的树木死于酸雨!
- Lakes and rivers were the first victims of acid rain. 首先受酸雨之害的是湖泊和河流。
- The decay of the shrine is due, in part, to acid rain. 这座寺庙会倾圮的部份原因是因为酸雨。
- Acid rain has caused serious problems in many parts of the world. 酸雨已经在世界许多地区引起了严重的问题。
