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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
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Idiom: Make it snappy ( hurry up ) Hit the book: Acid Cave Cavern Carbonic Bubble Tunnel
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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
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[00:02.81]Unit 21 Human Biology Lesson 1 Chewing Gum [00:09.19]TO CHEW OR NOT TO CHEW... [00:12.21]Diet specialists regularly inform us [00:14.82]that it is important to chew our food properly. [00:17.74]They suggest that if we chew our food [00:19.7
北师大版高中英语模块7(选修)
By Vidushi Sinha Washington 19 November 2009 It is an incredibly cruel act of violence -- acid thrown into the face of a woman, sometimes a child. Its perpetrators often are driven by revenge, jealousy and hate; their intent, to disfigure rather tha
VOA标准英语2009年(十一月)
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）