单词：Laser Slabs
单词：Laser Slabs 相关文章
Soon the flying sparks of the forge could be seen and the sound of its bellows heard. 很快从锻炉上飘出飞舞的火花，传来风箱的声音， Great slabs of iron were unloaded for him at the wharf, and for days no one saw him. 出现一大块
美国小学英语教材4
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
VOA常速英语2008年（四月）
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
2013年VOA慢速英语(二)月
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
VOA标准英语2014年(二月)
Earthquake fears on the west coast西海岸担心地震影响 Fingers crossed老天保佑 A row over a rickety viaduct一场关于山区高速路的争吵 AFTERSHOCKS from Japan rattled America's west coast last week, as consumers in California rushe
经济学人综合
神探夏洛克第三季第一集_01 'Sherlock!' 夏洛克 'It's a trick.' 那是我的圈套 Just a magic trick. 魔术圈套 No. All right, stop it now. 不是的 好了别说了 'Now, stay exactly where you are. 站在原地别动 'Don't move.' Al
神探夏洛克第三季
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
2017年VOA慢速英语(七)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. A new archaeological find may signify one of the great leaps in human cultural and cognitive history. Because researchers have discovered a 100,000-yea
Scientific American(十)月
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
2005年NPR美国国家公共电台
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
2013年VOA慢速英语(五)月
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
2012年VOA慢速英语(一)月
Around 30 percent of China's Ming-era Great Wall has disappeared over time as adverse natural conditions and reckless human activities -- including stealing the bricks to build houses -- erode the UNESCO World Heritage site, state media reported. 据官
英语新闻
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
Rescuers in Turkey have pulled several more survivors from the rubble in the aftermath of Sunday's earthquake that officials say killed 279 people and injured more than 1,000 others. Officials say the magnitude 7.2 quake near Turkey's border with Ira
英语新闻
Middle East and Africa 中东与非洲 South Africa: Highway interrupted 南非：被阻断的高速公路 A road to nowhere may finally reach an end. 无尽之路终有尽头。 Between the ocean and the mountain, there's the unfinished highway. 在海
经济学人综合
The barrier separating Israel from West Bank Palestinian territories is the theme of a Washington exhibit by a dozen U.S. and Canadian-based artists. Each gives a different representation of what the artist views as an obstacle to peace. The curator
英语新闻
Scorning a turnstile wheel at her reverend helm, she sported there a tiller; 它不屑在受人尊敬的船舵上装只旋轮,却开玩笑似地装上一只舵柄; and that tiller was in one mass, curiously carved from the long narrow lower jaw of he
白鲸记
Thieves are ripping up ancient pavements, slate roofs and even graveyards to feed a fashion for real stone in expensive home makeovers. 时下盛行用天然石材进行昂贵的家居翻新，为满足潮流需求，窃贼们从古道、石板瓦屋顶
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In most cases this lower jawbeing easily unhinged by a practised artist, 这个下巴颏有经验的老手可以很容易地把它卸下来， is disengaged and hoisted on deck for the purpose of extracting the ivory teeth, 大多是在卸下后，就拉
白鲸记
神探夏洛克第三季第一集_01 'Sherlock!' 夏洛克 'It's a trick.' 那是我的圈套 Just a magic trick. 魔术圈套 No. All right, stop it now. 不是的 好了别说了 'Now, stay exactly where you are. 站在原地别动 'Don't move.' Al
神探夏洛克第二季