单词：tetragonal sphenohedral antihemihedron
单词：tetragonal sphenohedral antihemihedron 相关文章
Talks With Russia in Spotlight as Kerry Visits Berlin U.S. Secretary of State Kerry's visit to Berlin is short but significant. With some recent tensions simmering between the U.S. and Russia, his talks with Russian foreign minister Sergei Lavrov are
VOA标准英语2013年(二月)
This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
Scientific American(一)月
SCIENCE REPORT – February 13, 2002: Oral Health Study By George Grow This is the VOA Special English SCIENCE REPORT. A new report examines the problem of tooth and gum disease in the United States.
科技之光
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
医务英语
By Carol Pearson Washington, DC 15 September 2006 watch Meth and Dental Care Methamphetamine Ice Methamphetamine is an addictive drug that can damage brain cells. It is suspected to cause a movement disorder similar to Parkinson's disease. Meth use
2006年VOA标准英语（九月）
By Anjana Pasricha New Delhi 23 January 2006 Students chant slogans next to burning tires during an anti-king demonstration in Katmandu, Monday, Jan. 23, 2006 In Nepal, new fighting between security f
2006年VOA标准英语（一月）
By Brian Padden Irbil, Iraq 11 September 2006 watch Iraq Genocide report Kurdish leaders in Iraq say they want to be sure prosecutors build the strongest case possible against Saddam Hussein and six of his military commanders. They are charged with
2006年VOA标准英语（九月）
BBC Learning English People and Places The Final Frontier Callum:Hello, Im Callum Robertson and this is People and Places. Today Im going to be talking about the actor James Doohan. James Doohan was most well known as the engineer Scotty in the icon
人与地方
By Gary Thomas Washington 26 September 2006 President Bush is set to host a tripartite meeting with the leaders of two of the nations in the anti-terrorism fight. Presidents Pervez Musharraf of Pakistan and Hamid Karzai of Afghanistan will join Pres
2006年VOA标准英语（九月）
GUY RAZ, HOST: Have you ever experienced hatred or - I mean, have you ever - I don't know. Has anybody ever said something to you because of who you are, because of your faith that has just been so incredibly hurtful? DALIA MOGAHED: Yes (laughter), a
2017年NPR美国国家公共电台4月
By Al Pessin Pentagon 19 May 2006 The No. 2 U.S. general in Iraq says there has been another increase in sectarian violence in the country during the last two weeks, and he blames al-Qaida for sparkin
2006年VOA标准英语（五月）
By Al Pessin Pentagon 13 January 2006 A senior U.S. general in Iraq says the al-Qaida terrorist network in the country is in
2006年VOA标准英语（一月）
By Melinda Smith Washington 07 November 2007 Cholesterol reducing drugs are some of the most common medications prescribed around the world. They are highly beneficial in reducing heart disease. Now they are gaining new respect as a drug that may del
VOA常速英语2007年（十一月）
By Margaret Besheer Halabja 16 July 2006 Halabja cemetery Former Iraqi dictator Saddam Hussein is facing several trials on separate charges of crimes against humanity. One of those trials will focus on the 1988 gassing deaths of some 5,000 Kurds in
2006年VOA标准英语（七月）
By Anjana Pasricha New Delhi 04 April 2006 The Nepali government is making plans to halt an anti-monarchy strike due to be held in the capital later this week. Maoist rebels, however, have declared a
2006年VOA标准英语（四月）
By Benjamin Sand Islamabad 14 June 2006 The U.S.-led military coalition in Afghanistan has launched a massive combat and reconstruction operation in the country's southern provinces. Officials say thousands of troops are sweeping through the Taleban
2006年VOA标准英语（六月）
Pollster Dalia Mogahed 分享了一些关于埃及人对于阿拉伯之春的态度的令人意外的数据主要集中于女性在导致变革中起到的角色。
TED公开课:告女性说
By Alisha Ryu Nairobi 09 May 2006 In recent months, Mogadishu, Somalia has become a deadly battleground between militias loyal to Islamic courts and a newly formed anti-terror coalition that is believ
2006年VOA标准英语（五月）
10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur
万物简史