单词：vacuum telescope
单词：vacuum telescope 相关文章
[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励，激励 紧急的，急迫的 功用，效用 利用 [1:11.2978]utmost vacant vacuum vague极度的，最大的 未被占用的，空着的 真空 含糊的，模糊的 [1:52.9962]vain valid vanish variable徒劳的，无效的 有效的，
闭着眼睛飘单词 四级词汇
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
原版英语小短文
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
365个英语简短小故事
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,
2006年VOA标准英语（十月）
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2016年(五月)
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
VOA标准英语2015年(四月)
Module 4 The natural elements Unit 1 Electricity today [00:11.08]自然世界 今日电的作用 [00:22.15]Read,learn and think [00:25.47]Electricity is very important to us. [00:27.73]电对我们相当重要。 [00:29.99]I'm going to show a video.
上海牛津初中英语七年级
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
2016年NPR美国国家公共电台11月
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
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
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
2006年VOA标准英语（七月）
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
2011年VOA慢速英语(五)月
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
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
2016CRI中国国际广播电台
A: Honey, the house is such a mess! I need you to help me tidy up a bit. My boss and her husband are coming over for dinner and the house needs to be spotless! B: Im in the middle of something right now. Ill be there in a second. A: This cant wait! I
英语播客-EnglishPod
CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen
英语新闻
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
阅读空间
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