单词：leuc-
A combining form signifying white, colorless; specif. (Chem.),
denoting an extensive series of colorless organic compounds, obtained
by reduction from certain other colored compounds; as, leucaniline,
leucaurin, etc.
单词：leuc- 相关文章
VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English Program PEOPLE IN AMERICA. Today, we tell about the much-loved performer Lucille Ball. Her famous television series, I Love Lucy, was first broadcast i
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By Heda Bayron Hong Kong 17 March 2007 North Korea says it will not shut down its nuclear programs as agreed, until the United States releases millions of dollars frozen in a Macau bank. U.S. officials say that decision is up to Macau. The comments
2007年VOA标准英语（三月）
The United States and Russia have agreed to reopen talks on reducing long-range nuclear weapons. The announcement was made as U.S. President Barack Obama and Russian President Dmitri Medvedev met in London, the site of the G20 economic summit. US Pr
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By Steve Herman Tokyo 17 January 2006 Taro Aso Japan says it hopes to use a long-standing relationship with Iran to help avert a crisis over Tehran's nuclear ambitions. The announcement came after key
2006年VOA标准英语（一月）
By Kurt Achin Beijing 13 February 2007 A six-day stretch of intense negotiations has produced a breakthrough in efforts to end North Korea's nuclear-weapons programs. VOA's Kurt Achin reports from Beijing, where North Korean delegates have promised i
2007年VOA标准英语（二月）
VOA慢速英语2012 Technology Report - A Hollywood Movie Producer Helps Develop Mobile Calendar Application
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By Challiss McDonough Cairo 20 February 2007 Iranian President Mahmoud Ahmadinejad during a public gathering, 20 Feb 2007 The president of Iran says he is willing to hold talks with the West over his controversial nuclear program. But he says he will
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By David Gollust Washington 20 February 2007 The Bush administration said Tuesday it has begun consultations on a new U.N. Security Council resolution that would further penalize Iran for failing to heed demands to halt uranium enrichment. An initial
2007年VOA标准英语（二月）
By Greg Flakus Cactus Flat, South Dakota 21 June 2007 During the Cold War, the United States and the Soviet Union targeted each other with thousands of missiles armed with nuclear warheads. Both countries took measures to prevent human or mechanical
2007年VOA标准英语（六月）
By Scott Stearns White House 24 February 2006 George Bush President Bush says the international community will not allow Iran to develop nuclear weapons. The president is asking Congress for $75 milli
2006年VOA标准英语（二月）
Russian Deputy Prime Minister Sergei Ivanov says development of his country's strategic nuclear forces will be the government's top military procurement priority in 2009. Ivanov's statement was made while Russia faces a budget deficit and its defens
VOA标准英语2009年(二月)
The State Department said Tuesday the complete dismantling of North Korea's nuclear program remains the goal of the Chinese-led six-party negotiations with Pyongyang. The comment followed an assertion by a leading U.S. academic that North Korea appe
VOA标准英语2009年(二月)
By Deborah Block Washington, DC 07 August 2006 watch Hiroshima report The Enola Gay on display Sunday marked the 61st anniversary of the atomic bombing of Hiroshima, Japan. During World War II, a United States plane nicknamed the Enola Gay flew over
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By Steve Herman Tokyo 09 December 2006 News reports indicate that planning is under way to re-start the long-stalled North Korean nuclear talks on December 16. There has been no official confirmation from any of the six governments involved in the t
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By Challiss McDonough Cairo 11 June 2006 Iranian Top Nuclear Negotiator Ali Larijani, left , talks with Egyptian President Hosni Mubarak, during their meeting in Cairo, Egypt Iranian officials are rejecting some aspects of an international package o
2006年VOA标准英语（六月）
By Victoria Cavaliere New York 24 October 2007 New York's Metropolitan Museum of Art has opened a newly renovated, state-of-the-art education center that will allow students, scholars and the general public to study the museum's world-renown collecti
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By Anjana Pasricha New Delhi 09 July 2006 Indian army soldiers watch the display of an Agni-2 missile during the Army Day parade in New Delhi (File photo) India has tested a sophisticated, long-range nuclear-capable missile that dramatically boosts
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A senior U.S. Congressman visiting India says time is running out for New Delhi to finalize a civilian nuclear deal with the United States. Anjana Pasricha reports from New Delhi that India's Congress Party-led coalition government indicated it will
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By David Gollust State Department 05 July 2006 The United States says Iran has had plenty of time to consider the nuclear offer by major powers, and that an answer is needed by next week. Secretary of State Condoleezza Rice discussed the issue by te
2006年VOA标准英语（七月）
ROME, Dec. 9 (Xinhua) -- Juventus defender Leonardo Bonucci apologised for his embarrassing dive following his side win 1-0 at Palermo on Sunday. Bonucci was warned by the referee when he fell to the ground after being challenged by goalkeeper Samir
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