大学四级对话理解-16

新洋话1000句 lesson 2

1. Hi, dont try to red me off, I know what this is worth 2. Can you give me a little deal on this? 3. Can you give me this for cheaper? 4. Is there a discount on both purchases? 5. Give me a discount 6. How much do you want for this? 7. If you dont g

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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

You Do the Math

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

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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

SSS 2009-04-22

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

英语名篇名段背诵精华41 The lowest animal

The lowest animal Man is the only animal that robs his helpless fellow of his country-takes possession of it and drives him out of it or destroys him. Man has done this in all the ages. There is not an acre of ground on the globe that is in possessi

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

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

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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

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

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

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

美国国家公共电台 NPR Trump Has Many Jobs Unfilled; Is He 'Deconstructing The Administrative State'?

ROBERT SIEGEL, HOST: President Trump has yet to fill hundreds of senior-level positions throughout the government. He's questioned the need for, as he put it, all those jobs, but simply leaving post vacant may not be the best way to accomplish what h

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

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

Moody's downgrades Greece to lowest rating

LONDON/NEW YORK, March 2 (Xinhua) -- The rating agency Moody's on Friday cut the sovereign credit rating of Greece to the lowest level, saying the country's default risk was high. Moody's downgraded Greece long term sovereign credit rating from Ca to

常用外贸英语口语（1）

从ABC公司处得知你公司供应毛衫。 正如你们所知，我们是经营此类商品已有多年的国营公司。 请寄给我们关于你方新产品的小册子。 如果你方价格具有竞争力并且装方式可以接受的话，我们

换季“血拼”必备口语10条

换季血拼的时候又到了，各位久经商场的购物狂人，一定预备好了杀价策略，准备大显身手！今天就来看看砍价都会用到哪些口语吧！ 1. Hey, don't try to rip me off. I know what this is worth. 别想宰我，