单词：propulsion flight trajectory
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用Mp3背六级单词
In the year 1304, Edward Longshanks, more formally known as King Edward I of England, mounted the greatest siege of his reign against the Scots and their castle at Stirling. The attack dragged on. Imp
中世纪攻城战
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)
Honey bees are fairly placid insects when left alone. But if antagonized, they will react violently. Researchers from the University of Queensland in Australia are working to better understand honey bees vision, navigation, and, in particular, aggres
自然百科2009年
今天我们要学的词是 trajectory。 Trajectory的意思是轨迹、轨道，President Trump told reporters after his speech at the UN general assembly that he hopes there would be the same trajectory for Iran as the U.S. has had with North Kore
英语单词荟萃
只有这样才能让他高兴啊 It was the only way to make him happy. 可是你干嘛非要让他高兴呢 Well,why'd you have to make him happy? 因为他不高兴的时候 我们都想杀了他 Because when he wasn't happy, we wanted to kill him
生活大爆炸第三季
This is Scientific American's 60-second Science. I'm Adam Hinterthuer. Got a minute？ When an Iraqi reporter threw his shoe at President Bush, University of Washington neurologists were delighted. But not because of politics. The fling was just real
Scientific American(六)月
The US is on the verge of meeting most of the economic conditions the Federal Reserve has set to increase interest rates next month, according to a member of the rate-setting Federal Open Market Committee. 负责制定利率的联邦公开市场委员会
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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
你决定你成为什么样的人 Do not become overly comfortable with TV and YouTube as your primary sources of entertainment. Go places. Try new things. Follow your curiosities and passions. Take chances. Dont let fear and complacency stop you fro
英语美文
LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E
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HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: A new report from the American Cancer Society finds breast cancer is now as common among black women in the U.S. as it is among white women. The data published this week shows the rate of breast cancer a
PBS访谈健康系列
1. Conversations matter more than chiseled features. 1. 与欺骗人的特征相比，对话更重要。 Dating in Los Angeles provides a fair share of slashers (actor/model, musician/actor, actor/waiter), and plenty of people who are still relying o
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It will come as a relief to her fans and there are tens of millions of them to know that Bai Baihe is gearing up to take one of the (human) lead roles in Monster Hunt 2, a sequel to the hybrid live action-animation film that last year grossed an unhe
英语新闻
FRANKFURT, Nov. 20 (Xinhua) -- European Central Bank (ECB) President Mario Draghi on Friday said the ECB would act quickly to raise inflation if needed. Speaking at the European Banking Congress 2015 here, Draghi said, If we decide that the current t
英语新闻
How to Be Your Dads Boss in Five Years If you want to excel in your career path to the point that you pass even your dad, who has obviously spent a few extra decades in the job field, work will be involved. It takes a whole lot of effort to move up s
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His fate on Game Of Thrones appeared to have been sealed during the shocking season five finale, but it seems Jon Snow really could be coming back. At least, that's what fans are praying for after spotting Kit Harington sporting the Lord Commander's
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1.If you can make a reasonable living doing what you love, DO WHAT YOU LOVE. You may not get rich, but youll get to do what you love, and thats priceless。如果你能以你喜欢做的事为职业，尽情投身其中吧。你可能不会赚很多钱
英语美文
Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day; May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my min
英语美文