单词：pyrrol
distillates of organic substances, and also produced synthetically as a
colorless liquid, C4H5N, having on odor like that of chloroform. It is
the nucleus and origin of a large number of derivatives. So called
because it colors a splinter of wood moistened with hydrochloric acid a
deep red.
单词：pyrrol 相关文章
图片1 图片2 图片3 图片4 图片5 图片6
牛津阅读树ORTMP3（1-11级）
DIALOG 21 laurance--You look happy today! soony--I am happy.I just heard I passed my physics exam laurance--Congratulations!I'm glad somebody's happy. soony--Why?What's the matter? laurance--Oh,I'm ju
英语经典听力对话
By Nancy-Amelia Collins Manila 27 February 2006 Philippine President Gloria Macapagal Arroyo smiles during the round table discussion with her economic team at Malacanang Palace in Manila Philippine p
2006年VOA标准英语（二月）
THIS IS AMERICA -June 24, 2002: Women Spies By Jerilyn Watson VOICE ONE: Throughout American history, women have aided the United States and its allies by spying. A show organized by the National Wome
This is America
NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer and Alice has joined me for today's 6 Minute English. Hello, Alice! Alice: Hello, Yvonne. Yvonne: Of course, the world news is often about the financial crisis, so I thought
六分钟英语
By Sabina Castelfranco Rome 11 April 2006 This March 7, 2005 file photo released by Italian police shows a recent identity at left, and an older one at right, of Bernardo Provenzano Italian police hav
2006年VOA标准英语（四月）
By Barry Brown Toronto 03 June 2006 Military-style security was arrayed outside a courthouse near Toronto on Saturday as 17 terrorist suspects were brought to face charges they planned to detonate thr
2006年VOA标准英语（六月）
By Sonja Pace London 02 July 2007 British police have arrested two more men in connection with attempted car bombings in central London and Glasgow Scotland. The manhunt continues for additional suspects. VOA's Sonja Pace reports from the British cap
2007年VOA标准英语（七月）
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10
粉红猪小妹第三季
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10 图片11
粉红猪小妹第三季
Hoppy the little kangaroo was out for a walk with his mother．Mummy，I'm cold，he said suddenly．Then you must jump into my pouch at once，said his mother．Where is Hoppy？asked everyone when they got back home．He felt cold．He's gone insid
趣味英语
EXPLORATIONS -August 7, 2002: International Spy Museum VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a mu
Explorations
By Phil Mercer Sydney 03 July 2007 Queensland Premier Peter Beatty speaks at a press conference in Brisbane, 03 July 2007 Australian police are interviewing two men in connection with a plot to detonate car bombs in Britain and have detained one of t
2007年VOA标准英语（七月）
DEVELOPMENT REPORT - Plumpy'nut Aids Fight Against Hunger By Jill Moss Broadcast: Monday, April 25, 2005 I'm Gwen Outen with the VOA Special English Development Report. Nutriset is a food company in F
农业与发展
One in this world there are two things we can not do： First， hurry， and second， to stop and see if they have a good mentality． A good state of mind is that people a good partner in life， people pleasure and health． Insights on life： Y
阅读空间
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
名人认知系列 Who Was
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
名人认知系列 Who Was
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
名人认知系列 Who Was
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
名人认知系列 Who Was
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
名人认知系列 Who Was