单词:materials sciences in space
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[00:03.49]2003 [00:06.71]Human beings in all times and places [00:09.33]think about their world and wonder at their place in it. [00:13.07]Humans are thoughtful and creative, [00:15.40]possessed of insatiable curiosity. [00:18.29](1)Furthermore, hum
EXPLORATIONS -February 13, 2002: Yabby and Space Place By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with the VOA Special English program EXPLORATIONS. Today we t
By David McAlary A panel of scientists and engineers appointed by the U.S. National Academy of Sciences urges NASA to refurbish the observatory one final time, predicting that compelling scientific re
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
Scientists Gather to Share Information for Nanotechnology’s Future 科学家们共同分享纳米技术其未来的相关信息 The world of nanotechnology is far too small to be seen by the human e
Lesson 47 Television Day: The sea TV Commentary: If you looked at the Pacific from a space-capsule you might think that the world was all water. You would hardly be able to see any land at all. Water covers most of the earth's surface. The sea contai
This is Scientific Americans 60 second Science, I am Sophie Bushwick, Got a minute? Music, film and video game makes face a new online, digital world. And some are testing a revolutionary pricing system: pay what you want. But a new study finds that
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
EXPLORATIONS - Koshland Science Museum By Broadcast: Wednesday, March 02, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with the VOA Special English program EXPLORATIONS. T
AS IT IS 2014-04-03 US Hopes to Improve Relations with India 美国希望改善与印度的关系 Hello, again and welcome. Im Jim Tedder in Washington with the program that helps you learn and improve your American English. You can also learn about
AS IT IS 2016-10-13 Nobel Prize Winners Studied Agreements Affecting Everyone 诺贝尔经济学奖得主研究人们如何花钱 Two professors at American universities have won the Nobel Prize in Economic Sciences. They were honored for their work
When a new inhabitant moves into the tower, 当一个新的居住者搬进这座大楼, they already have a roof over their head, 他们已经有一个可以遮盖的房顶, so they just typically mark their space with a few curtains or sheets. 所
Voice 1 Thank you for joining us for todays Spotlight program. Im Mike Procter. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. V
To discover why these twin planets followed separate paths and to explore what gave us our precious atmosphere, we have to travel back, back four and a half billion years to the birth of the solar system itself. The birth of the solar system created
[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu
BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac
He Wenping, Director of African Studies at the the Chinese Academy of Social Sciences, speaking with CRI's Zheng Chengguang.
2 US scientists share 2012 Chemistry Nobel Two American researchers have won the Nobel Prize in chemistry for studies of protein receptors that let body cells sense and respond to outside signals. The Royal Swedish Academy of Sciences says Robert Lef
BEIJING, July 25 (Xinhua) -- Chinese scientists will focus on developing new quake-monitoring equipment and warning technologies, according to an agreement signed Wednesday between the country's earthquake monitoring authorities and top research inst