健康生活:激光矫正近视安全存疑

Optical experts in Shanghai have reassured patients that laser eye surgery, or LASIK (laser-assisted in situ keratomileusis), is the safest method to treat adult myopia, following a leading Taiwanese eye doctor said he would stop LASIK procedures aft

2006年VOA标准英语-Hubble Telescope Given Reprieve; Astronauts to

By David McAlary Washington 31 October 2006 The U.S. space agency says it will send space shuttle astronauts one more time to extend the life of the Hubble Space Telescope. The decision reverses one made by NASA's previous management two years ago,

Scientists Expect ‘Unexpected’ from Largest Ground-based Telescope

Scientists Expect Unexpected from Largest Ground-based Telescope The mirror of the Hubble Space Telescope that gave the world stunning pictures of deep space is about 4.5 square meters. Compare that with the primary mirror of the James Webb Space Tel

VOA标准英语2015--James Webb Space Telescope Progresses Toward Launch

James Webb Space Telescope Progresses Toward Launch WASHINGTON While the space community is looking back this week to celebrate the 25th anniversary of the launch of the Hubble Space Telescope, workers in an airtight cleanroom at Goddard Space Flight

美国国家公共电台 NPR Some Assembly Required: New Space Telescope Will Take Shape After Launch

Some Assembly Required: New Space Telescope Will Take Shape After Launch play pause stop mute unmute max volume 00:0003:13repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update yo

新西兰英语 800 A telescope in a plane

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

2006年VOA标准英语-Hubble Telescope Repaired

By Paul Sisco Washington, DC 05 July 2006 watch Hubble Repair report A Hubble telescope image of part of the universe Space scientists at the U.S. space agency, NASA, are celebrating the return to action of the Hubble telescope. --------- For more t

电影版《三生三世十里桃花》即将于暑期上映

After the popular TV series Eternal Love, adapted from the online novel Three Lives Three Worlds, Ten Miles of Blossoms, a movie adaptation of the same book will hit Chinese theaters in the summer. 继热播电视剧《三生三世十里桃花》之后

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

2007年VOA标准英语-Study Shows Babies Use Visual Cues to Recognize

By Jessica Berman Washington 24 May 2007 Scientists have always thought that babies learn language by hearing them, but a new study provides evidence that infants as young as four months can distinguish between different languages being spoken by usi

VOA常速英语2014--Hollywood Visual Effects Go Global 好莱坞视觉特效走向世界

Hollywood Visual Effects Go Global 好莱坞视觉特效走向世界 LOS ANGELES Many of todays Hollywood blockbuster movies include stunning visual effects. Most of those effects used to be produced in Hollywood, but that has changed. Now, one film

2017年CRI China' space telescope set to search for black holes, pulsars

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

2016年CRI World's largest radio telescope ＂can shed first light＂ in exploring universe: astronomers

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

【电影预告片填空】地球引力

_______1________? What? The sunrise. Terrific. No! Houston, Dr. Stone is off structure! Listen to my voice! _______2_______! I can't! I'm losing visual of you. _______3_______! I can't breathe! Grab ahold, grab anything! What do I do? What do I do? N

激光矫正近视后遗症多多

激光矫正近视后遗症多多 Optical experts in Shanghai have reassured patients that laser eye surgery, or LASIK (laser-assisted in situ keratomileusis), is the safest method to treat adult myopia, following a leading Taiwanese eye doctor said

美国变焦"隐形眼镜"华丽登场

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

好莱坞视觉特效走向全球

LOS ANGELES Many of todays Hollywood blockbuster movies include stunning visual effects. Most of those effects used to be produced in Hollywood, but that has changed. Now, one film can include visual effects produced in many different countries. Tomm

2016年CRI World's largest radio telescope completes installation

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

幽默笑话：视力训练

Visual Training The squad were having visual training． One smart recruit was asked by the officer to count how many men composed a digging party in a distant field．The party was so faraway that the men appeared as mere dots， but unhesitatinglyt

赖世雄进阶英语词汇3500 Unit121

depart vt.出发 Don departed for New York last Sunday. =Don set out for New York last Sunday.=Don left for New York last Sunday. 小唐上星期天动身前往纽约。 departure n.出发，离开 Please arrive at the airport two hours before your d