单词：propulsion boiler
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Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new
VOA标准英语2011年(八月)
Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s
2015年VOA慢速英语(六)月
NASA Working Toward Mission to Mars The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to land people on Mars in the 2030s. Charles Bolden is the administrator for NASA. He said that five ye
2015年VOA慢速英语(五)月
An oil-splattered BP（英国石油公司） engineer's boiler suit has become one of the most successful Halloween costumes in the United States. More than 10,000 of the outfits have been sold in the approach to this year's October 31 holiday, which
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Today we meet the English word folly, and we visit a strange old building and an art exhibition. Lets start with the word folly. I guess you know what foolish means. If someone is foolish, he or she does stupid or unwise things. We can call such a pe
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