二甲酰氨苯砜

Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find

发表于:2018-11-30 / 阅读(144) / 评论(0) 分类 生活英语情景口语

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!

发表于:2018-12-04 / 阅读(128) / 评论(0) 分类 英文魔法师字源大挪移

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是,如果一对氨基酸的一个侧链折叠后很长,

发表于:2018-12-05 / 阅读(88) / 评论(0) 分类 经济学人科技系列

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(四)月

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(111) / 评论(0) 分类 不择手段背单词

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 科技之光

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 医务英语

By Nico Colombant Thies, Senegal 16 November 2007 In the largely Muslim West African nation of Senegal, women have been excluded from joining the army as foot soldiers. But that will change next year, as VOA's Nico Colombant reports from a recruitmen

发表于:2019-01-04 / 阅读(234) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Suzanne Presto New York 30 August 2007 FBI agents were called to a United Nation's building near the headquarters Thursday to remove vials of a possibly hazardous material found in weapons inspectors' offices. From VOA's United Nation's bureau, Su

发表于:2019-01-11 / 阅读(145) / 评论(0) 分类 2007年VOA标准英语(八月)

EXPLORATIONS - Six Building Designers Who Are Redefining Modern Architecture STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about six building designers widely considered

发表于:2019-01-12 / 阅读(128) / 评论(0) 分类 2011年VOA慢速英语(四)月

This is the VOA Special English Education Report. In Giles County, Virginia, the school board has removed displays of the Ten Commandments in its schools. The county thought that posting the Ten Commandments, along with the first part of the United S

发表于:2019-01-12 / 阅读(72) / 评论(0) 分类 2011年VOA慢速英语(三)月

U.S. Vice President Joe Biden says he is withholding judgment on Iran's presidential election, as protests continue in Tehran over election results showing a landslide re-election victory for President Mahmoud Ahmadinejad. Vice President Joe Biden,

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 VOA标准英语2009年(六月)

By Sean Maroney Islamabad 28 September 2009 The head coordinator for the U.N. Humanitarian Affairs office in Pakistan says his agency is ready to handle what is expected to be a large number of families fleeing the South Waziristan tribal region as

发表于:2019-01-13 / 阅读(115) / 评论(0) 分类 VOA标准英语2009年(九月)

U.S. Secretary of State Hillary Rodham Clinton addresses a meeting in honor of the 15th Anniversary of the UN World Conference on Women in Beijing at the United Nations headquarters on Friday, March 12, 2010. U.S. Secretary of State Hillary Clinton i

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 VOA标准英语2010年(三月)

BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag

发表于:2019-01-16 / 阅读(152) / 评论(0) 分类 Weekender

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(136) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(116) / 评论(0) 分类 经济学人科技系列

By Scott Bobb Lisbon 10 December 2007 The Africa-European Union summit ended Sunday in Portugal with agreement on many global challenges but with differences on other key issues. Correspondent Scott Bobb has this report from Lisbon. European and Afri

发表于:2019-02-07 / 阅读(135) / 评论(0) 分类 VOA常速英语2007年(十二月)

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说,每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(331) / 评论(0) 分类 阅读空间
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aargh
abutment joint
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