[激光] 激光束记录装置

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）

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(105) / 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(111) / 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(87) / 评论(0)

TED演讲科技篇

洪恩环境英语第一册练习 Lesson Ten

[00:00.00]Lesson Ten.Hello,hello. [00:20.01]Please say these words after me. [00:24.87]computer TV VCR videotape [00:36.70]camera stereo tape recorder [00:45.84]In this lesson,we talk about technology:TV....TV? [00:53.79]Television.And VCR...VCR? [01

发表于:2018-12-25 / 阅读(114) / 评论(0)

洪恩环境英语

广州小学三年级 (下) (学生用书) modul6-7(unit16-18

[00:00.00] MODULE 6 MY SCHOOL [00:05.09]Unit 16 Clean The Classroom [00:10.66]New words Expressions [00:15.10]board [00:16.84]板 [00:18.57]board rubber [00:21.00]粉刷 [00:23.43]beside [00:25.51]在...旁边 [00:27.59]exercise book [00:30.01]练习本

发表于:2018-12-29 / 阅读(178) / 评论(0)

广州小学三年级 (下) (学生用书)

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(191) / 评论(0)

英美文化

广州金太阳三年级下--MODULE 6-16

MODULE 6 MY SCHOOL\n [au:]模块六我的学校\n [00:05.13]UNIT 16 Clean the Classroom\n [au:]第十六单元打扫教室\n [00:09.74]Dialogue\n [au:]对话\n [00:12.78]Look and listen. Then read and act in groups.\n [au:]看和听。然后分组朗

发表于:2019-01-09 / 阅读(242) / 评论(0)

广州版金太阳小学英语三年级下

音乐咖啡厅:black box recorder--the new diana

I was born a blonde, I've always been a princess A queen of hearts, now a mother Where is the replacement for the world's front cover? From one English Rose to another I want to be the new Diana Lying on a yacht reading photo-magazines I want to b

发表于:2019-01-10 / 阅读(187) / 评论(0)

音乐咖啡厅

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(171) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

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(141) / 评论(0)

2012年VOA慢速英语(一)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(197) / 评论(0)

美国习惯用语

【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(156) / 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）

办公英语推销

Key Sentences(重点句子) 515．Can I speak to the head of the household？我可以跟户主讲话吗？ 516．And we are running a special offfer on the books now．现在我们这些书有个特价优惠。 517．I would like to tell you more a

发表于:2019-02-02 / 阅读(86) / 评论(0)

实用英语

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(138) / 评论(0)

经济学人科技系列

黑匣子的工作原理

A possible break in the mystery of the missing Malaysia Airlines Flight 370 plane came when ships detected pings consistent with the aircraft's black box. But how does a black box actually work? Black boxes, or flight recorders, are electronic device

发表于:2019-02-17 / 阅读(419) / 评论(0)

阅读空间

英语六级作文磁带录音机

The Tape Recorder The tape recorder is one of the most welcome and popular electronic devices ever invented. For example, it can reproduce sounds quite well, which are hardly distinguishable from the original. Besides, it is very handy and can be car

发表于:2019-03-04 / 阅读(173) / 评论(0)

四六级写作指导

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