单词：bone mineral loss in space
单词：bone mineral loss in space 相关文章
Ronald Reagan: The Space Shuttle
美国经典英文演讲100篇
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. On our program this week, we will tell about a new study of the Arctic Ocean. Amur leopard We will also tell about a big cat that ani
VOA慢速英语2007年（五）月
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today we tell about osteoporosis, a disease that can make bones weak so they break easily. (MUSIC) VOICE ONE: An x-ray of a bone fract
VOA慢速英语2009年（四）月
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we tell about osteoporosis, a disease that can make bones weak so they break easily. (MUSIC) FAITH LAPIDUS: A new study shows
2010年VOA慢速英语(八)月
By David Lewis A natural resources watchdog group issued a report Tuesday warning that smuggling and corruption are costing the Democratic Republic of Congo millions of dollars a month in lost revenue
VOA2004（下）--世界经济
Last time we talked about how astronauts eat and drink under weightless conditions in space. Today we'll cover the next question kids love to ask-how do astronauts go to the bathroom in space? It may sound silly, but it's really a good question, beca
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Ladies and Gentlemen, I'd planned to speak to you tonight to report on the state of the Union, but the events of earlier today have led me to change those plans. Today is a day for mourning and remembering. Nancy and I are pained to the core by the
名人演讲
It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at
英语听力文摘 English Digest
New news is goo newswhen its inside our bones, anyway. Because a combination of imaging techniques and modeling has revealed that our bones are filled with a natural chemical goo thats key to the bones function as support structures. The finding is i
英伦广角
Broadcast: Feb 04, 2003 In the wake of the Columbia shuttle disaster, the U.S. space agency, NASA, must continue to operate, even as its employees struggle to deal with overwhelming emotions surroundi
VOA2003（上）-健康之旅
Osmotic pressure - Water tends to move towards dense concentrations of ions. Sugar solutions on the surface of exposed dentine cause water to be drawn out of the dentinal tubules causing which distort
医务英语
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: Jesse Sullivan was an electrical worker who lost both of his arms while working on power lines And Im Barbara Klein. This week, we will tell about an American
VOA慢速英语2009年（三）月
Harnessing the Mineral Wealth of Poor Countries 新方针指导贫穷国家正确利用其丰富矿藏 Developing countries with potential mineral riches have often fallen prey to corruption and mismanagement. As a result, theyve failed to benefit fr
VOA标准英语2012年(二月)
Cameroon's new mineral research center will begin operations this year. South Korean mining researchers are making trips to Cameroon to determine the overall cost of the facility, to be located in the capital, Yaounde. They say the center will cost s
VOA标准英语2011年(二月)
Some of the issues that are important if you want to have people in space for long periods of time. 如果人类想长期置身太空，有几个重要的问题不得不考虑。 One is that people will tend to lose bone and muscle mass. 其中之一就
TED演讲教育篇
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: Jesse Sullivan was an electrical worker who lost both of his arms while working on power lines And Im Barbara Klein. This week, we will tell about an American s
2010年慢速英语(三)月
When people don't feel well, they go to see the doctor and take medicine. Though astronauts may also face health problems in space, both physically and mentally, how do they go about finding medical treatment? And what do they do to improve their hea
世界各地新闻集锦
New news is goo newswhen its inside our bones, anyway. Because a combination of imaging techniques and modeling has revealed that our bones are filled with a natural chemical goo thats key to the bones function as support structures. The finding is i
2016年Scientific American(八)月
美国名人100大演讲mp3下载 Ladies and Gentlemen, I'd planned to speak to you tonight to report on the state of the Union, but the events of earlier today have led me to change those plans. Today is a day for mourning and remembering. Nancy and
美国百大经典演讲