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Horizon - Life On Mars 火星生命 - 10

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

发表于:2019-01-02 / 阅读(64) / 评论(0)

火星生命

SSS 2009-03-09

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. Most of us know we save energy when we put our idle computers to sleep. But what about the servers that run data centers? Every cell phone call, AT

发表于:2019-01-08 / 阅读(75) / 评论(0)

Scientific American(三)月

VOA标准英语2012--New Texas Institute Coordinates Space Medicine Research

New Texas Institute Coordinates Space Medicine Research Since the human space flight adventure began more than 50 years ago, scientists have learned a lot about things like the effects of weightlessness on bones and muscles, and the danger of increas

发表于:2019-01-13 / 阅读(63) / 评论(0)

VOA标准英语2012年(四月)

VOA标准英语2010年-Relief Efforts in Haiti Slowly Take Ho

Aid workers in Haiti say earthquake relief efforts are starting to make an impact in Port-au-Prince. But frustration is mounting among Haitians who say they still have no access to food, water and medical treatment. Fresh water is being delivered to

发表于:2019-01-31 / 阅读(56) / 评论(0)

VOA标准英语2010年(一月)

CCTV9英语新闻：S&ED helps both countries coordinate major policies

Earlier we spoke to current affairs commentator Victor Gao. He said the dialogue serves many purposes. One of them is to coordinate major policy issues between the two countries. And the currency issue will be high on the agenda. He said, That one pu

发表于:2019-02-05 / 阅读(70) / 评论(0)

cctv9英语新闻2016年

学个词 Learn a Word-VOA英语教学 2531 coordinate

今天我们要学的词是 coordinate. Coordinate 动词，协调。Islamic nations pledged to establish a policy center in Istanbul to coordinate anti-terrorism efforts. 伊斯兰国家保证要在伊斯坦布尔建议一个政策中心，协同打击

发表于:2019-03-07 / 阅读(123) / 评论(0)

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学英语单词

a living death

accommodation bills issued

bending moment envelope

bottom fitting

breast height form factor