单词：irreversible cell
单词：irreversible cell 相关文章
By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
纳尔逊曼德拉的经典语录 I greet you all in the name of peace, democracy, and freedom for all. I stand here before you not as a prophet but as a humble servant of you, the people. Your tireless and heroic sacrifices have made it possible for
名人励志英语演讲
今天我们要学的词是irreversible. Irreversible 形容词，不可逆转的。The European Union's top diplomat welcomed North Korea's announcement of stopping nuclear tests, and called for an irreversible denuclearization of North Korea. 欧盟首
英语单词荟萃
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
国家地理2008年
1. Joaquin Phoenix, whose portrayal of Johnny Cash in
美联社新闻一分钟2006
Three things in life once gone, never come back: time, opportunity, and words. 人生有三样东西不可挽回：时间，机遇，以及说出去的话。 Expectation is the root of all heartache. 期待是所有心痛的根源。 In life, we all
英语美文
By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As
2007年VOA标准英语（九月）
By Challiss McDonough Cairo 23 April 2006 Iranian Foreign Ministry spokesman Hamid Reza Asefi Iran says its uranium enrichment work is
2006年VOA标准英语（四月）
By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme
VOA标准英语2008年（五月）
UN Warns of Irreversible Damage to Planet The Global Environmental Outlook, or GEO5, says the world is on an unsustainable path, despite more than 500 international agreements. And scientific evidence says Earth's systems are being pushed toward thei
VOA标准英语2012年(六月)
US Suspends All Economic Sanctions on Burma Secretary of State Hillary Clinton announced the suspension of bans on U.S. financial transactions, investments, and access to credit in a meeting with Burmese Foreign Minister U Wunna Maung Lwin. This is a
VOA标准英语2012年(五月)
U.S. Secretary of State Hillary Clinton said North Korea must commit to irreversible disarmament steps if it returns to multilateral nuclear talks. Clinton held separate meetings on North Korea with her counterparts from Russia, China, Japan and Sou
VOA标准英语2009年(七月)
By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app
2007年VOA常速英语（十月）
By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo
VOA常速英语2008年（四月）
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
ARI SHAPIRO, HOST: CVID is an acronym you're about to hear a lot. The Trump administration has been using it in the run-up to next week's summit with North Korea. And those four letters have meant different things to different people, as NPR's David
2018年NPR美国国家公共电台6月
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti
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