激光解调系统

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

发表于:2018-12-08 / 阅读(152) / 评论(0) 分类 VOA常速英语2008年(四月)

澳洲流行天后 Kylie Minogue 最新MV《Crystallize》!小女孩演绎还没当歌星前的凯莉,拿着梳子对着镜子忘情歌唱,热舞。一代歌后的成长史呀,很励志的一首歌,有梦想就要去追逐。 歌词: When

发表于:2018-12-14 / 阅读(137) / 评论(0) 分类 流行英文歌曲

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

发表于:2018-12-16 / 阅读(136) / 评论(0) 分类 2013年VOA慢速英语(二)月

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(142) / 评论(0) 分类 2015年Scientific American(一)月

图片1 glitter vi.闪闪发光,闪烁,闪光 n. 闪光 例句:The diamond ring on Nina's finger glittered in the light. 尼娜手指上的钻石戒指在灯光下闪闪发光。 illuminate vt. 照明,照亮,阐明,说明,使灿烂诚照

发表于:2018-12-30 / 阅读(165) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(162) / 评论(0) 分类 英伦广角

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

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 2017年VOA慢速英语(七)月

American, French, Canadian Scientists Win Nobel Physics Prize Two men and a woman have won the 2018 Nobel Prize in Physics for their inventions in the field of laser physics. 两位男士和一位女士因为他们在激光物理领域的发明获得了

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 2018年VOA慢速英语(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(三)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

发表于:2019-01-08 / 阅读(223) / 评论(0) 分类 2005年NPR美国国家公共电台

By Zulima Palacio Atlanta, Georgia 20 December 2007 The Christmas season is celebrated in communities throughout the United States. Producer Zulima Palacio recently visited Stone Mountain Park outside Atlanta in the southeast state of Georgia to take

发表于:2019-01-11 / 阅读(154) / 评论(0) 分类 VOA常速英语2007年(十二月)

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

发表于:2019-01-12 / 阅读(209) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(173) / 评论(0) 分类 2012年VOA慢速英语(一)月

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2010年VOA慢速英语(九)月

AS IT IS 2014-03-16 Device Finds Malaria Infections in Seconds 通过医疗设备发现人体内疟疾感染只需几秒钟 Hello, and welcome to As It Is, from VOA Learning English. Im Steve Ember in Washington. Today on the program, we report on ho

发表于:2019-01-12 / 阅读(169) / 评论(0) 分类 2014年VOA慢速英语(三)月

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 science of the future to eve

发表于:2019-01-24 / 阅读(215) / 评论(0) 分类 英语语言学习

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

发表于:2019-01-31 / 阅读(178) / 评论(0) 分类 VOA常速英语2007年(十一月)

and should as soon think of counterfeiting another's look or step or voice, or of modulating my own by a pitch pipe 一提到演说,就会想到伪造其他人的表情,步伐或声音,抑或通过为笛子定调的方法来调整我自己的音调

发表于:2019-02-11 / 阅读(115) / 评论(0) 分类 美国语文第六册

It's been confirmed Chinese President Xi Jinping is going to be making his first state visit to the US as President. Chinese ambassador Cui Tiankai says discussions are already underway about the logistics of the trip. The date for Xi Jinping's trip

发表于:2019-02-14 / 阅读(155) / 评论(0) 分类 2015CRI中国国际广播电台

Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人,致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi

发表于:2019-02-18 / 阅读(144) / 评论(0) 分类 经济学人综合
学英语单词
advertising-agencies
afterwaters
alkars
arithmetic control unit
auxiliary component
back-coupling condition
bail court
bastard-dom
beta-plus decay
branch of mainspring
browser detection
bulemic
caddell
cathode corrosion
chapeaus
chemical theory
Chigyong
circumvests
Clortetrin
commentary
condenser ceramics
condition of measurement
coparties
cross fertilization
deliberate maiming
diamfirst
discommodating
Dzhubga
ecological geography
electrotyped
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film lulbrication
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glutinant
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hypersonic flight experiment
image quality criterion
into heaven
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kernel of integral transform
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loebbecke
logic design system
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Machakos, Mt.
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maytansinoids
middle cornu
mimela ignicauda
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monkless
myasis
mycoma
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New Peso
no-lines
Noel Coward
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not so much
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packaged air-conditioning unit
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Puulavesi
quantize
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Semper Gumbi
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to keep it real
waste circulation