[激光] 电子束泵浦半导体激光器

VOA常速英语2008年-US Government Reviews Laser Eye Surgery

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(129) / 评论(0)

VOA常速英语2008年（四月）

万花筒 2008-09-11&09-12 MTV音乐录像颁奖礼：布兰妮

(Hey, how are you? How are you doing? What's going on?) Taylor Swift: Seeing Britney tonight will be amazing. I met her once when I was 15, and she just came off like such a sweet person. And I want her to win. I want Britney to take the world over a

发表于:2018-12-11 / 阅读(89) / 评论(0)

万花筒2008年

英文歌曲：澳洲流行天后 Kylie Minogue 最新单曲《Crystallize》

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(106) / 评论(0)

流行英文歌曲

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

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(113) / 评论(0)

2013年VOA慢速英语(二)月

TED演讲第1期:3D捕捉古代奇迹(1)

I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者， and who used to take him by the hand 常牵着他的手 to visit the ruins of an

发表于:2018-12-18 / 阅读(89) / 评论(0)

TED演讲科技篇

不择手段背单词(733):beam横梁; 船幅; 船舷

beam, [bi:m] n 大梁（建筑中用作支撑的木材、金属或石头）；光柱；臀围；平衡木【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(126) / 评论(0)

不择手段背单词

Watch the US Navy’s New Laser Weapon in Action

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(125) / 评论(0)

2017年VOA慢速英语(七)月

比蒙障碍 Beamonesque

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(193) / 评论(0)

英美文化

VOA标准英语2013--The History of the Laser

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(173) / 评论(0)

2013年VOA慢速英语(五)月

Lesson 16 - RIGHT ON THE BEAM / FLY BY THE SEAT OF ONE'S PAN

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如，美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(199) / 评论(0)

美国习惯用语

英语PK台第210期:重温迪士尼经典动画王国(2)

Dialogue 2 Xiao Gao: So? What did you think? Wasn't it fun watching these movies? 小高：怎么样，你觉得看这些电影有意思吗？ Jingjing: Yeah, it was,but I'm not completely satisfied yet. 京晶：确实挺有意思的，但是我还意

发表于:2019-01-23 / 阅读(101) / 评论(0)

英语PK台

【英语语言学习】镭射器的历史

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(158) / 评论(0)

英语语言学习

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

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(145) / 评论(0)

VOA常速英语2007年（十一月）

微电子辞典-5

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(140) / 评论(0)

实用英语

英文特辑精选：Pumped Up Kicks - Foster the People

《Pumped Up Kicks》是该独立流行乐队Foster the People发行的第一支单曲，并且收录在了乐队的第一张同名EP中。这支单曲的曲子写于歌词前，节奏明快带有重低音并且混合了电子和原声两种不同的元

发表于:2019-02-11 / 阅读(113) / 评论(0)

英文特辑精选

美国文化脱口秀第546期:千万别说你很high 意思是你吸毒了!

现代汉语中有不少词都是英语外来语，High这个词就常和汉语一起混用，可是它真正的意思并不是开心，今天Jenny和Adam要来谈谈美国人怎么使用high。 High有什么问题？大家都很熟悉high的中国式

发表于:2019-02-15 / 阅读(83) / 评论(0)

美国文化脱口秀

经济学人175:太空太阳能老兄传下来吧

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄，传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(139) / 评论(0)

经济学人科技系列

新西兰英语 524 Most oil removed from Rena

Most of the oil has now been pumped out of the ship, the Rena, which hit a reef on October 5th. The ship carried 1700 tonnes of heavy oil. 350 tonnes leaked into the sea. This oil killed more than 1300 sea birds and polluted the sand and rocks around

发表于:2019-02-17 / 阅读(119) / 评论(0)

新西兰英语

万物简史第200期:威力巨大的原子(14)

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(108) / 评论(0)

万物简史

美國流行口語第152課

今天早上 Larry 和李华和一对朋友 Charles and Lisa 约好了一起去打网球．李华会学到两个常用语： pumped 和iffy. LL: I'm really pumped about today's tennis match. How about you, Li Hua? LH: 你对今天的比赛怎么啦？ Pumped？你是不是说你很紧张啊？ LL: No, I'm

发表于:2019-02-20 / 阅读(180) / 评论(0)

美国之音《流行美语》

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学英语单词

asperity source model

beneficial interest in property