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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
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）
1. almost [nearly] 都可用来修饰不定代词、形容词、副词、动词、介词短语等，此时两者常可换用。如： My car almost [nearly] stood still because of a traffic block. 我的车子因为交通阻塞而几乎动弹不得。
英文语法词汇
Scientists have now started to breed drought resistant crops which they hope will combat East Africa's worst drought in 60 years. More than 13 million people across Africa are facing severe food shortages. But as CRI's Su Yi reports, a new strain of
世界各地新闻集锦
（以M代表Mother，F代表Father，S代表Son） S: Oh, the queue is very long. F: We can check in at Business Class over there. M: Airports are sad places. F: Sometimes, I guess. But. we'll send e-mails and call you regularly. S: I will call you
英语口语