单词：propulsion-system braking
单词：propulsion-system braking 相关文章
comet urge kidney sham continental certainty propulsion delegate derivation fowl tile denote deprive consolidate shutter depict nurture notion hover royalty deficient misery deliberate discrete orient
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)
1. The Islamic State group is committing genocide against Christians and other minorities in Iraq and Syria. That's the conclusion announced by Secretary of State John Kerry. He met a congressional deadline for decision on the issue on Thursday. 2. A
美联社新闻一分钟2016(三)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
Fujifilm used its capabilities in chemistry, material science and optics to diversify into a number of areas, 富士胶片运用了自己在化学、材料科学和光学上的造诣，将自己的涉及领域多样化 ranging from cosmetics to pharm
TED演讲科学篇
本期内容： Nissan has launched a new longer-ranged version of its Leaf electric car that can be driven by just one e-Pedal for both accelerating and braking. The new Leaf can travel up to 235 miles between charges under European driving conditio
夏说英语新闻晨读