单词：isolinderalactone
单词：isolinderalactone 相关文章
By Al Pessin Pentagon 24 January 2008 The American officer responsible for helping develop an Afghan Air Force says the small corps is growing steadily, but will not be ready to even begin participating in combat operations for about five years. The
VOA标准英语2008年（一月）
The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw
VOA标准英语2008年（八月）
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单词解析速记
The Man Who Cherishes the Great Wall Zhao Wei: It has been 18 years since you traveled along the Great Wall on foot in 1987 and became attached to it after the travel. Why do you choose the Great Wall
英语沙龙2004全年合辑下
How Great Is Great Wall to a Briton “If you haven’t been to the Great Wall, you aren’t a real man,” Mao Zedong once said. Indeed, so many real men, and women, are visiting the wall that the mo
英语沙龙2004全年合辑下
Todays topic is irregular plural nouns, odd nouns such as ox and oxen. Robbie from Keene, New Hampshire, called in with this question: One of my friends knows that I'm kind of geeky and into grammar and was asking me about adding the 's' onto words t
英语语法 Grammar Girl
Chris: Hello and welcome to 6 Minute English from BBC Learning English. I'm Chris. Rosie: And I'm Rosie. Chris: Rosie, have you ever heard of the island of Tonga? Rosie: It sounds familiar, but Im not too sure where it is. Chris: Its a small South Pa
六分钟英语
今天要讲的惯用语里有个共同的词act。这真是个多义词，但是我们的时间有限说不了那么多，所以今天要说到的act都有表演的意思。比方说，我们要学的第一个习惯用语是：class act。 Class这里
美国习惯用语
By Margaret Besheer United Nations 25 September 2007 An unprecedented summit on climate change has ended at the United Nations. Secretary-General Ban Ki-moon says the event has sent a powerful political signal to the world that there is the will and
2007年VOA标准英语（九月）
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
Swaziland has one of the highest HIV prevalence rates in the world - 26 percent for those between the ages of 15 and 29. But to deal with the epidemic, health officials must do more than increase treatment, care and prevention efforts. They must also
VOA标准英语2010年(十)月
RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e
2017年NPR美国国家公共电台1月
MICHEL MARTIN, HOST: Of all major U.S. religious groups, members of the Jehovah's Witnesses have the lowest rate of formal education - that according to a Pew study. And as Luke Vander Ploeg reports, that can have a real impact on people who choose t
2017年NPR美国国家公共电台2月
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
By Scott Bobb Johannesburg 23 November 2007 The political landscape in Namibia has been unsettled by the defection of several senior leaders of the ruling SWAPO party to form an opposition party. The split comes as longtime SWAPO leader Sam Nujoma pr
VOA常速英语2007年（十一月）
BEIJING, March 24 (Xinhuanet) -- A new study has found that Actos, a medicine treats onset diabetes, could also reduce the diabetes(糖尿病) risk in people with prediabetes. The study, which was published Wednesday in New England Journal of Medicin
英语新闻
BEIJING, Nov. 18 (Xinhua) -- Chinese State Councilor Ma Kai on Sunday met with visiting Comptroller General of the United States Gene L. Dodaro. Ma said the increase of communication on auditing between China and the United States will help promote t
英语新闻
Surprising new research suggests it can actually be good to feel bad at work, and that feeling good in the workplace can lead to negative outcomes。 The study of emotions in the workplace, edited by University of Liverpool researchers Drs. Dirk Lind
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Astrophysics 天体物理 Dust to dust 尘归尘，土归土 A dramatic recent discovery in physics is looking rather dodgy 近期，物理学中的一项戏剧性发现看上出非常模糊 IN MARCH Chao-Lin Kuo, an astrophysicist at Stanford Univer
经济学人科技系列
Study: Living In A City Might Make You Crazy Ever wondered why those apple-cheeked Himalayan villagers look so untroubled, even as most of your friends and family make weekly visits to the therapist? You might finally have your answer -- and it reall
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