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Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa
2016年VOA慢速英语(二)月
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
快速有效的背诵单词对于托福考试而言，绝对是至关重要的。今天让小编为你介绍下拆分法这个记忆单词的办法吧！ 托福单词的拆分法，是我们在日常学习背单词的过程中最经常使用的方法。
托福英语
对于一个单词，我们可以根据不同的原则对它进行拆分，从而达到迅速记住单词的目的。首先，利用词根词缀来拆分。我们可以用词根词缀构词方法记住英文中大概百 分之七十的单词。词缀分
雅思英语