单词：recoalesced
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By Jim Malone Washington 30 November 2006 Iowa's Democratic governor, Tom Vilsack, officially became the first presidential candidate for 2008 on Thursday. Several other potential candidates have either taken themselves out of the running for the Wh
2006年VOA标准英语（十一月)
Cain Reassesses US Presidential Bid, Gingrich Rises in Polls In U.S. presidential politics, the focus is on Republican White House contender Herman Cain. Cain says he is reassessing his campaign in the wake of allegations of an extramarital affair, w
VOA标准英语2011年(十一月)
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before
Scientific American(三)月
For astronomers who study the large-scale structure of the universe, dwarf galaxies have proven quite vexing. Because the leading model of cosmology has been unable to account for their relative lack of substance. Now scientists writing in the journa
Scientific American(一)月
1. collusion /kəˈlu:ʒən/ -- (literally, playing together) secret agreement for a fraudulent purpose; conspiracy; plot It was not known whether the price increases resulted from higher costs or from collusion among the producers. 不知道价格的上
突破英文词汇
He likes the rain. Rain makes puddles. He likes puddles. He jumps into puddles. He jumps across puddles. He slides on his back in puddles. He sits in puddles. He gets wet in puddles. His shoes get wet. His clothes get wet. He gets dirty. His clothes
儿童英语小故事
Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H
60秒科学
By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,
VOA2004（下）--健康科技
AS IT IS 2014-07-24 Former General Challenges Widodo's Victory in Indonesia 印尼前将军挑战选举结果 The unsuccessful candidate in the Indonesian presidential election has decided to challenge -- or officially dispute -- the result. Former A
2014年VOA慢速英语(七)月
The sudden eruption of mass anti-government protests in Egypt seemingly caught most people by surprise, including U.S. and other Western intelligence agencies. The turn of events has sparked questions about whether the United States experienced an in
VOA标准英语2011年(二月)
In U.S. presidential politics, the focus is on Republican White House contender Herman Cain. Cain says he is reassessing his campaign in the wake of allegations of an extramarital affair, which Cain denies. Meanwhile, the Republican field is looking
VOA双语新闻 2011年12月
By collecting and comparing meteorites, scientistshave been able to piece together a picture of how they form and these studieshave revealed some of the most remarkable rocks in the solar system. Few places in the world have got as many meteoritesas
探索与发现2014年
What is extraordinary from our point of view is how well it turned out for us. If the universe had formed just a tiny bit differentlyif gravity were fractionally stronger or weaker, if the expansion had proceeded just a little more slowly or swiftlyt
万物简史