[医] 氢氧化钠, 苛性钠

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本讲为2006年下半年新的教学内容，请对照教材听录音！ “They may want a health professional to open up communication for them with their loved ones or family--- there’s nearly a

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In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾

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damage v./n. 损害 n. [pl.]损害赔偿费 damp a. 有湿气的,潮湿的同义词：humid a.潮湿的 dangerous a. 危险的,不安全的反义词：safe a.安全的解析：danger n.危险 You a

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HONG KONG, July 24 (Xinhua) -- As winds from Typhoon Vicente battered Hong Kong, the Hong Kong Observatory raised Tropical Cyclone warning to the highest level of Hurricane Signal No. 10 at 00:45 local time on Tuesday (16:45 GMT on Monday). Hurricane

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By Paula Wolfson Tokyo 13 November 2009 President Barack Obama during joint news conference with Japanese PM Yukio Hatoyama, not pictured, in Tokyo, 13 Nov 2009 U.S. President Barack Obama says a decision on a revised Afghanistan strategy will come

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