单词：underrepair
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用Mp3背六级单词
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)
今天我们要学的词是approval rating。 Approval rating是支持率的意思。Japan's ruling Liberal Democratic Party's approval rating fell to 20%, 日本执政党自民党的民众支持率滑落到20%。 A new survey shows that President Ob
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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
U.S. President Barack Obama and Congress are engaged in an intense rush to settle on a plan to raise the countrys borrowing limit beyond the current total of more than $14 trillion. It is an effort aimed at averting a possible default on the countrys
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