单词:quindecim
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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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By Cynthia Kirk ENVIRONMENT REPORT -May 31, 2002: Coqui Frogs Invade Hawaii This is the VOA Special English ENVIRONMENT REPORT. Experts say the American state of Hawaii has been invaded by a small fro
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