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VOA慢速英语2014 火箭爆炸后美国国家航空航天局面临的问题

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

发表于:2018-12-08 / 阅读(111) / 评论(0)

2014年VOA慢速英语(十)月

VOA标准英语2014--维珍宇宙飞船失事引发诸多问题

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

发表于:2018-12-16 / 阅读(86) / 评论(0)

VOA标准英语2014年(十一月)

VOA双语新闻：12、美国火箭爆炸，私营航天产业的挫折

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

发表于:2018-12-19 / 阅读(113) / 评论(0)

VOA双语新闻 2014年10月

公众人物毕业演讲第121期:2013年克林顿在霍华德大学(1)

Thank you very much 非常感谢 First of all, thank you 首先谢谢你们 I thank you and Dr. Paula WhetselRibeau 谢谢你们还有宝拉?威索尔里博博士 Thank you for meeting me outside with your daughter 谢谢你带着你女儿在外面接

发表于:2018-12-30 / 阅读(127) / 评论(0)

公众人物毕业演讲

Earth and Sky:Galactic Rotation 银河系自转

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

发表于:2019-01-02 / 阅读(249) / 评论(0)

(科普英语)Earth and Sky

Supermassive Black Holes 超大质量黑洞 - 10

If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect

发表于:2019-01-02 / 阅读(415) / 评论(0)

超大质量黑洞

美国私企飞船与空间站对接

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

发表于:2019-01-09 / 阅读(137) / 评论(0)

英语新闻

VOA慢速英语2011--Space Junk Threatens Earth’s Orbital E

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

发表于:2019-01-12 / 阅读(172) / 评论(0)

2011年VOA慢速英语(九)月

VOA标准英语2012--Global Warming Could Delay Next Ice Age

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

发表于:2019-01-13 / 阅读(133) / 评论(0)

VOA标准英语2012年(一月)

VOA标准英语2014--火箭发射失败美国私人航天受挫

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

发表于:2019-01-14 / 阅读(119) / 评论(0)

VOA标准英语2014年(十月)

原汁原味商务英语播客第43课:商务出差(1)

This Business English Podcast lesson is the first in a series of shows that will follow an employee of a manufacturing company on a training trip to the U.S. Over the series, well practice many situations that will be useful for you on your business

发表于:2019-01-18 / 阅读(121) / 评论(0)

原汁原味商务英语播客

双语：太空垃圾数量已达“临界点”

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

发表于:2019-01-30 / 阅读(128) / 评论(0)

实用英语

2006年VOA标准英语-US Shuttle Astronauts Test Orbital Repair Metho

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

发表于:2019-02-03 / 阅读(235) / 评论(0)

2006年VOA标准英语（七月）

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a nice bit of

acorite (zircon)

activity-sensing equipment

advanced research projects agency computer network(arpanet)

australopithecus afarenses

barotropic equatorial wave

battles of plataea