单词:NDEITA
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[00:01.76]on the other hand,some physicists are concerned that 另一方面 有的物理学家担忧 [00:05.12]if this supercollider actually works, 一旦超级粒子加速器研制成功 [00:06.68]it'll create a black hole and swallow up the earth,
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AMERICAN MOSAIC - Jessi Alexander's First Album / Weather in America / Top High School Scientists By Nancy Steinbach Broadcast: Friday, March 18, 2005 (THEME) HOST: Welcome to AMERICAN MOSAIC, in VOA
The footage shows the men - bound, blindfolded and all but one naked - lying and sitting on the ground. They are shot at close range by men in military camouflage. Margaret Besheer | United Nations 07 January 2010 U.N. Special Rapporteur Philip Alsto
WASHINGTON, May 27 (Xinhua) -- Two U.S. astronauts conducted the fourth and final scheduled spacewalks for space shuttle Endeavour 's STS-134 mission on Friday morning, the U.S. National Aeronautics and Space Administration (NASA) announced. The seve
Astronauts on board the Space Shuttle Endeavour(奋进号) are making preparations to return to Earth on the spacecrafts final flight. One of the astronauts says being in space has shown him the fragility of the Earths environment. Air Force Colonel