单词：apogee kick rocket engine
单词：apogee kick rocket engine 相关文章
NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re
英语沙龙2004全年合辑下
apathetic adj．冷漠的，无动于衷的 aperture n．孔隙，窄的缺口 apex n．顶点，最高点 aphasia n．失语症 aphorism n．格言（maxim） apiary n． 养蜂场 apiculture n．养蜂
GRE英语
One of the best celestial events of the year is set to peak this weekend. It will be the largest super moon of the year. The super moon is actually the result of two phenomena occurring at the same time. The moons orbit around the earth is not perfec
轻松英文阅读
Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit
电信英语
VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special English program, EXPLORATIONS. Today, we report on some of the early research in the development of rockets
Explorations
EXPLORATIONS - How Robert Goddard Helped Lead America Into Space By Voice of America Broadcast: Wednesday, April 20, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffit
Explorations
NASA Successfully Tests New Rocket Engine NASA最强火箭测试成功 火星之旅指日可待 The American space agency successfully tested a powerful new rocket engine this week in the desert of northern Utah. The rocket booster is meant to take a
2016年VOA慢速英语(七)月
Should the world's most privileged people learn about the lives of the world's least privileged? 世界上那些过着最优越生活的人们，是否应该对那些最困难的人们的境况有所了解？ These are not rhetorical questionsyou wil
名校励志英语演讲
Members of the Harvard Family: Here in the Yard is one of the great collections of intellectual talent in the world. 哈佛大家庭的成员们，这个院子里在场的人们，你们是全世界最有智力的人类群体之一。 For what purpos
名校励志英语演讲
Todd: Jonathan we are talking about conspiracy theories. What about the one where the sound? That when the rocket lands, they have actually audio of the rocket landing and you can't hear the rocket engine, and the rocket engine should be making a rea
原版英语对话1000个
The land-speed record 地面速度记录 How to build a 1,000mph car 怎样建造时速1000英里的汽车 Hybrid rocketry will be used to drive faster than ever before 混合火箭技术将用于更快地驱动车辆 May 5th 2011 | from the print ed
经济学人综合
Tonight the moon looks bigger and brighter than usual. It is a Super Moon. Actually it is a full moon but also a perigree moon when it is the closest to the Earth during its orbit. These two events are happening together tonight. It last happened Mar
新西兰英语
18 物理学家、火箭专家戈达德罗伯特 DATE=3-21-01 TITLE=EXPLORATIONS #1944 - Robert Goddard BYLINE=Staff VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VO
文化聚焦
Science and technology 科学技术 Reusable spacecraft 可重复使用的航天器 Jet-set rocket-man 乘喷气式火箭的乘客 A small British firm is working on a nifty new jet-rocket hybrid engine 英国一家小公司正在研发一款轻巧的新
经济学人科技系列
BEIJING, Apirl 1 (Xinhuanet) -- An Ariane rocket launch of two communications satellites was aborted Wednesday after a technical hitch at the scheduled moment of liftoff in French Guiana on Wednesday. According to Arianespace, the Ariane 5 rocket's V
英语新闻
Do it right now！ 立即行动。 It's better than over analyzing what you want to do. 立即行动比一直停留在分析研究上好 You know what happens when you start over analyzing something? 你应该清楚当你开始不断分析事情的时候
英语听力广播—Listening
That still represents a big change. 尽管如此，全球政局还是发生了不小的变化。 For the past 30 years multinationals in developed markets have mostly operated in a benign environment. 过去三十年里，成熟市场的跨国企业大
经济学人财经系列
A lot of little organisms that looked like bacteria and behaved like bacteria were actually something else altogether, 许多小生物看上去像细菌，表现得像细菌，实际上完全是另一类东西， something that had branched off from
万物简史
On the morning of July 16, 1969, Neil and his two fellow Apollo 11 crewmen rose at 4:15 A.M. They had steak and eggs for breakfast, the same breakfast all astronauts had before a flight. The night before a special visitor had arrived for dinner to wi
名人认知系列 Who Was
IT WAS not that noticeable amid all the razzmatazz. Many viewers missed it. But on February 5th, during the half-time show of the Super Bowl, the apogee of both the sporting and broadcasting year, MIA, a British pop star, unexpectedly sang I dont giv
经济学人综合