凯珀(1905~1973,美国天文学家,生于荷兰)

17An Untrustworthy Co-worker GLOSSARY to imagine to think about how something could or might be, but isnt; topretend* Many little girls spend their time imagining that they are princesses. the cold shoulder unfriendliness; coldness; not being very ni

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 2008年ESL之商务英语

Victoria: [clears her throat] Congratulations are in order. I just scored a product placement for our brand in the latest McQuillanator movie. Thank you, thank you very much. Gerard: Really? Thats great! Will it have a prominent place in the movie? V

发表于:2019-01-01 / 阅读(45) / 评论(0) 分类 地道美语播客

AS IT IS 2015-07-15 US Spacecraft Flies by Pluto After Nine-Year Trip It has taken more than nine years for an American spacecraft to reach the far edge of our solar system. The spacecraft, named New Horizons, sailed past the dwarf planet Pluto on Tu

发表于:2019-01-12 / 阅读(45) / 评论(0) 分类 2015年VOA慢速英语(七)月

By David McAlary Washington 01 February 2006 Claims that our solar system has a 10th planet beyond Pluto are supported by a new finding by German and French astronomers. They calculate that it is bigg

发表于:2019-01-13 / 阅读(84) / 评论(0) 分类 2006年VOA标准英语(二月)

As for Pluto itself, nobody is quite sure how big it is, or what it is made of, what kind of atmosphere it has, or even what it really is. A lot of astronomers believe it isn't a planet at all, but merely the largest object so far found in a zone of

发表于:2019-01-29 / 阅读(34) / 评论(0) 分类 万物简史

The IMPACT registry stands for 'Improving Pediatric and Adult Congenital Treatment' and includes information about patients who do not undergo open heart surgery. Often they undergo catheterization, a procedure which uses a catheter, or narrow tube,

发表于:2019-02-07 / 阅读(46) / 评论(0) 分类 VOA标准英语2010年(一月)
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