单词：orbital apex
单词：orbital apex 相关文章
Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V
2014年VOA慢速英语(十)月
Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se
VOA标准英语2014年(十一月)
美国火箭爆炸，私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's
VOA双语新闻 2014年10月
Paris Paris intrigues 1 , astonishes, provokes, overwhelms 2 ... and gets under your skin. The City of Light is the apex 3 of architectural beauty, artistic expression, and culinary 4 delight, and it
英语沙龙2004全年合辑下
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
(科普英语)Earth and Sky
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
英语新闻
SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in
2011年VOA慢速英语(九)月
Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according
VOA标准英语2012年(一月)
With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi
VOA标准英语2014年(十月)
面见客户时的实用英语 会话场景 接机后的次日，Brian在公司里，为Johnathan介绍自己的老板－Mr. Sun。 B： Mr. Sun， Id like you to meet Mr. Johnathan Mitchell， sales manager for Nortern Reflections of Canada. Mr. Mit
实用英语
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
实用英语
By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method
2006年VOA标准英语（七月）
It was no surprise in Hollywood last night when British actor Colin Firth and Israeli-American actress Natalie Portman took home Academy Awards(学院奖) for Best Actor and Best Actress. It was the first win for both actors. As the stammering King G
英语新闻
会话场景 接机后的次日，Brian在公司里，为Johnathan 介绍自己的老板-Mr. Sun。 B: Mr. Sun, Id like you to meet Mr. Johnathan Mitchell, sales manager for Nortern Reflections of Canada. (Sun extends hand first; Sun and Mitchell sha
实用英语
NEW DELHI, April 13 (Xinhua) -- In a landmark ruling, India's Supreme Court has rejected a plea by a death row prisoner to commute his sentence to life in jail. Devinder Pal Singh Bhullar -- on death row since 2001 for triggering a bomb blast in Sept
英语新闻
It's little more than a decade since Mark Zuckerberg dropped out of Harvard at the age of 19 to launch Facebook. The social network has made him the fourth-richest man in America and a hero to any aspiring college entrepreneur. 十多年前，19岁的马
英语新闻
Microsoft and the PC industry 微软和个人电脑业 Defenestrated 被抛弃 Steve Ballmer is a casualty of the personal computers rapid decline 史蒂夫鲍尔默是个人电脑迅速衰败的罪魁祸首 Aug 31st 2013 |From the print edition UNTI
经济学人商业系列
Scorning a turnstile wheel at her reverend helm, she sported there a tiller; 它不屑在受人尊敬的船舵上装只旋轮,却开玩笑似地装上一只舵柄; and that tiller was in one mass, curiously carved from the long narrow lower jaw of he
白鲸记
接机后的次日,Brian在公司里,为Johnathan 介绍自己的老板-Mr. Sun。 B: Mr. Sun, Id like you to meet Mr. Johnathan Mitchell, sales manager for Nortern Reflections of Canada. (Sun extends hand first; Sun and Mitchell shake hands) Mr. Mit
实用英语