单词：isochasms
【物理学】极光等频线
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Lesson 35 Space odyssey 太空探索 First listen and then answer the following question. 听录音，然后回答以下问题。 When will it be possible for us to think seriously about colonising Mars? The Moon is likely to become the industrial hub
新概念英语第四册
The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw
VOA标准英语2008年（八月）
When will it be possible for us to think seriously about colonising Mars? The Moon is likely to become the industrial hub of the Solar System, supplying the rocket fuels fro its ships, easily obtainable from the lunar rocks in the from of liquid oxyg
新概念英语第四册单词MP3
9. Mandela 1994 Inaugural Address 9. 曼德拉1994年就职演说 We are both humbled and elevated by the honour and privilege that you, the people of South Africa, have bestowed on us, 对于南非的人民能授予我们这个荣耀和特权我感到
历史英雄名人演讲
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e
2017年NPR美国国家公共电台1月
It was unraveling a puzzle and so the magnetometer team says lets go closer, as we go closer, we watched as the star went through and noticed the change in brightness, something is going on. We can see even from a distance, there seem to be this mate
自然百科2012年
What you often get with crevasses is just a thin covering of compacted snow. Uh, its called a snow bridge. And you can see there just where one has collapsed. And this is why they are so dangerous. You dont know when you are on one, and you dont know
探索与发现2012年
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
Inaugural Address speech by Nelson Mandela May 10th 1994 Your Majesties, Your Highnesses, Distinguished Guests, Comrades and friends: Today, all of us do, by our presence here, and by our celebrations in other parts of our country and the world, conf
名人演讲视频
Desert-survival guides dictate that the best way to avoid heat and dehydration is to travel by night. 沙漠生存指南中写道 避免高温炽热和脱水的最好办法 就是在夜间行进 But this rough terrain is scarred by deep, unpredictabl
荒野求生
It was those rooms, low, dusty garrets at the top of a cramped narrow staircase. 他们当然要。房间在低矮积尘的阁楼内，要经过狭窄老旧的楼梯爬上去。 Leave your boots down here, Masha told them after she'd taken their coin
冰与火之歌系列之《权力的游戏》
And the answer that occurred to me first, 我首先想到的是 was it looked like another moon peeking out behind lo. 它看起来像是从木卫一后方露出来的另一个卫星 But when she looked closer she realised it 但仔仔观察后她才发
神秘的月球