单词：propulsion battery bank
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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
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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
Before you next flush the toilet, consider this: Scientists in Singapore have developed battery powered by（用…推动的） urine（尿）. 下次冲厕所之前，请不要忘记下面的介绍：新
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Hiral Sanghavi is at it again. Hiral Sanghavi卷土重来。 Less than a year after the Kickstarter campaign for his BauBax jacket raised a whopping $9.2 million, he's debuting his next project -- clothes that wirelessly charge your devices. 他的Ba
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