单词：cesium (caesium) (cs)
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EXPLORATIONS - MOOCs Are Moving Forward From VOA Learning English, this is EXPLORATIONS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today we tell about the growing popularity of Massive Open Online Courses in higher education. The movem
2012年VOA慢速英语(十二)月
MOOCs Are Moving Forward From VOA Learning English, this is EXPLORATIONS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today we tell about the growing popularity of Massive Open Online Courses in higher education. The movement toward educ
2013年VOA慢速英语(六)月
Study Shows PFCs Can Reduce Vaccine Effectiveness When children are vaccinated their immune systems produce antibodies that protect them from debilitating and potentially deadly childhood infections, such as polio, measles, diphtheria and tetanus. Th
VOA标准英语2012年(二月)
[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon
美国英语听力80篇
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
到2050年，全球需要1000亿的陆上动物才能提供所需的肉、奶制品、蛋、和皮具。饲养如此多的牲畜，对地球是沉重、可能无法持续的负担。有没有别的解决办法？这场演讲令人大开眼界，组织工
TED公开课:地球村
Rock climbing is the original extreme sport． Basically , rock climbing is going from the bottom of a wall to the top and then back down again. The main goal is to have fun while doing so and to pref
奥运英语
Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol
Scientific American(八)月
By Lisa Schlein Geneva 08 December 2006 U.N. aid agencies are stepping up humanitarian assistance to three flood-stricken countries in the Horn of Africa. The agencies are warning the risk of epidemics breaking out in Ethiopia, Kenya and Somalia is
2006年VOA标准英语（十二月）
THIS IS AMERICA - 'Super PACs' and More: Politics, Money and Language STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. SHIRLEY GRIFFITH: And I'm Shirley Griffith. This week on our program, we talk about politics, money
2012年VOA慢速英语(一)月
PACs Boosted by Supreme Court Ruling The contest for control of the White House is not limited to just the presidential candidates' own campaigns. There are also outside groups that want to affect the results of the election. And in the 2012 presiden
VOA标准英语2012年(五月)
Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A family awakes to start th
环球英语 Spotlight
SHENZHEN, China, Aug. 18 (Xinhua) -- In the absence of Michael Phelps, it could be golden days for Hungarian star swimmer Laszlo Cseh to dominate the Shenzhen Universiade pool. Without Micheal, the race is different, the 26-year old Cseh said after h
英语新闻
Voice 1 Hello. Im Elizabeth Lickiss. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Then he turn
环球英语 Spotlight
BEIJING, Sept. 27 (Xinhuanet) -- Filmmaking is just a hobby now, says kungfu star Jet Li, who is spending more time on his charity and on promoting martial arts. He has turned down three films in 2011, including an American one, Li says at the premie
英语新闻