超自反Banach空间

Experimental Super-Fast Spaceplane May Be Coming Soon

A new airplane may soon be able to travel into space at more than five times the speed of sound. The Defense Advanced Research Projects Agency, or DARPA, announced last Wednesday that a project by the aerospace company Boeing was making progress. DAR

发表于:2018-12-07 / 阅读(48) / 评论(0)

2017年VOA慢速英语(五)月

AP 2010-02-17

1. The space shuttle Endeavour is on its way toward the International Space Station. Endeavour lifted off this morning just after 4 a.m. in one of the shuttle program's last scheduled missions. (The) pre-dawn launch was the last one in darkness if th

发表于:2019-01-11 / 阅读(93) / 评论(0)

美联社新闻一分钟2010(二月)

VOA慢速英语2011--Is NASA’s James Webb Space Telescope a

Technology Report - Is NASAs James Webb Space Telescope a Time Machine? This is the VOA Special English Technology Report. If you could build a time machine, what would it look like? Maybe, it should look like a telescope. American scientists are bui

发表于:2019-01-12 / 阅读(48) / 评论(0)

2011年VOA慢速英语(五)月

AS IT IS 2015-09-25 Rare 'Supermoon' Eclipse Only Days Away

AS IT IS 2015-09-25 Rare 'Supermoon' Eclipse Only Days Away Many people are looking forward to something unusual in the skies this weekend. In fact, astronomers note that an event like this last happened 33 years ago! People will have a chance to wit

发表于:2019-01-12 / 阅读(36) / 评论(0)

2015年VOA慢速英语(九)月

英语词汇中的嫁接艺术

学习英语的人都知道，在语言学习中，谴词造句，要遵守语法规则，不允许乱配鸳鸯。可是那些使用英语的英美人士，为了记录科学技术的新发展，以及生活中所创造的新观念，他们常常有意

发表于:2019-01-14 / 阅读(34) / 评论(0)

英文语法词汇

VOA常速英语2007-US Space Shuttle Docks at International Space St

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(57) / 评论(0)

2007年VOA常速英语（十月）

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学英语单词

abdcissa axis

addressing mode

anisotropic optical waveguide

asafa

assessment of marine environmental quality

Batubetumbang

blind loop syndrome

buggy casting

capital redemption business

Capitalization table

Chignecto, Isthmus of