单词：alternating movement
单词：alternating movement 相关文章
An unusual Boeing 747 arrived in Christchurch at the weekend from California. It has a telescope on board. The plane will spend the next three weeks flying the skies of the South Island to study the Milky Way. It is called SOFIA, Stratospheric Observ
新西兰英语
白日梦 Pipe dream 知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pip
英语口语
China launches its first X-ray space telescope to observe black holes, pulsars and gamma-ray bursts, via a Long March-4B rocket from Jiuquan Satellite Launch Center in northwest China's Gobi Desert on June 15, 2017. [Photo: thepaper.cn] China launche
2017CRI中国国际广播电台
Pipe dream: 白日梦 知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi
英语口语
Implantable 'eye telescope' that magnifies vision by three times approved for use in patients可以三倍变焦的眼中望远镜已被批准医用。 A miniature telescope that is implanted in the eye to solve sight problems has been approved for us
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The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台