单词：horizon scanner
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Passing Through Airport Security Roland: Why are you so nervous about flying? Natalie: Im not nervous about being in the air. Its going through security. I hear its a hassle and I dont want to end up being strip-searched. Roland: You wont be strip-se
2012年ESL之旅行交通购物
But it had taken Pusch and Bietak years of excavation just to unearth the garrison. At this rate of digging ,it would take hundreds of years to prove if they had truly found the site of Piramesse. And so they turned, instead, to a new technology tha
遗失的法老城市
These discoveries raised the stakes. Here was a planet similar to our own. Mars might not have cities or civilizations. But it could be home to other smaller life forms like microbes. Chris McKay is N
火星生命
I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.
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For Mars to have rivers, it must once have had streams, rain, clouds and an atmosphere, a planet just like the Earth today-if these were rivers. They had to be sure. The answers would come in 1998 wit
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William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in
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Unit 12 Check this out! Vocabulary Task Answers 1. c 2. b 3.a 4.e 5.f 6.d 7.h 8.i 9.g Script 1. A: Is this your new modem? B: Yes. It lets me hook up to the Internet at 138 kilobytes per second. 2. A: How Much did that laser printer cost? B: It wasnt
大学体验英语听说教程
导购口语: Scanners come in quite a variety of shapes and sizes in our store. 我们店的扫描仪形状和大小多种多样。 Your satisfaction is guaranteed, or we refund your money. 我们保证用户满意，否则我们可以退款。 An o
最In导购口语
Of course, any terraforming is still a long way off. The next few expeditions to Mars will definitely be made by machines. NASA, are sending 2 rovers, capable of travelling over 100 meters a day in se
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Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t
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Life on Earth is basically proteins and DNA, so we can wonder if there is life on Mars will also be DNA and proteins, the same type of DNA, the same type of proteins. One might think that DNA is such
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But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa
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But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch
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The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee
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One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'
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New Device Shows Human Body As Never Seen Before 新设备揭露人体不为人知的一面 Scientists are developing a medical device that could tell them more about the human body, and help them develop more-effective treatments for cancer, heart d
2016年VOA慢速英语(一)月
Kent Klein | Washington 31 December 2009 U.S. President Barack Obama has been briefed on early reports about last week's aborted airline terror attack. The president has received a report on how a Nigerian man suspected of terrorist links boarded a U
VOA标准英语2010年(一月)
Now, let's take all this information together and ask: 现在，综合以上所有信息，我们要问一个问题： How can we use it to transmit a memory that I have from my brain to your brains? 我们该如何利用它，把我大脑中的记忆传
TED演讲科学篇
介绍: scan to pay 扫码支付 scan 扫描 scanner 扫描仪 wechat pay微信支付 Alipay 支付宝 scan the article into the computer 把文件扫描进电脑 QR code 二维码 password 密码 code 密码
英语俚语天天说
Ana: Hey, Michael. I heard your mom is a zoologist. What is it exactly? Mike: A zoologist. Well, that's true. She is a zoologist. So a zoologist is someone who studies animals. Ana: Oh, interesting. So does she study all animals or does she focus on
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