雷射束检索微缩胶片

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(135) / 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(111) / 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(120) / 评论(0) 分类 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

发表于:2018-12-16 / 阅读(101) / 评论(0) 分类 VOA标准英语2014年(二月)

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(92) / 评论(0) 分类 TED演讲科技篇

Lots of people have had dreams that seem to foretell the future. Some psychologists attribute this to retrieval cues. 很多人都曾做过似乎能预示未来的梦。一些心理学家把这种现象归因于复得线索。 Retrieval cues? 复得线

发表于:2018-12-28 / 阅读(119) / 评论(0) 分类 初学者听力文摘精选

图片1 identical adj. 同一的,同样的 例句:He wore the identical dress on both occasions. 他在两个场合穿戴同一套衣服。 identification n.辨认,鉴定 例句:The identification of the accident victims took a long time. 验

发表于:2018-12-30 / 阅读(118) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

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(133) / 评论(0) 分类 不择手段背单词

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(131) / 评论(0) 分类 2017年VOA慢速英语(七)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(204) / 评论(0) 分类 2005年NPR美国国家公共电台

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(201) / 评论(0) 分类 英美文化

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(180) / 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(151) / 评论(0) 分类 2012年VOA慢速英语(一)月

Improve Your English by Testing Yourself English learners can improve their ability to remember and use new words by testing themselves. This idea comes from Sarah Lynn, an educational consultant and teacher at Harvard University's Bridge Program. Sh

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2016年VOA慢速英语(八)月

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(208) / 评论(0) 分类 美国习惯用语

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(171) / 评论(0) 分类 英语语言学习

梦可以预知未来? D: Lots of people have had dreams that seem to foretell the future. Some psychologists attribute this to retrieval cues. Y: Retrieval cues? D: A retrieval cue is a coincidence in the real world that trigger s a dream memory w

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest

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(153) / 评论(0) 分类 VOA常速英语2007年(十一月)

Cognitive psychologists believe that our language construction is a result of a two-step word retrieval process. The first step is the search for a words meaning, and the second step is the search for the actual sound of a word. Different speech erro

发表于:2019-02-15 / 阅读(99) / 评论(0) 分类 英语时差8,16

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(143) / 评论(0) 分类 经济学人科技系列
学英语单词
Anitschkow cell
authorized foreign exchange bank
automatic pitch-coarsening
band oven
baroluminescence
Bay of Astronauts
be under the impression
bedrabble
blue pig
bottom on
bubble tray
bulkhead sluice
cam driven knockout
cataractous
centre drilling hole
Chitrakoot Division
collective coordinate
dates of filing priority application(s)
deceive
dellaite
demus
diamond barring
diffusional
dispense the law without bias
Elixicon
ensulphur
erysiphake
exhaust region
fender stool
Fissura petrosquamosa
fixed-bed hydroforming
foreglance
Garove I.
generic infector
gypsophila paniculatas
height of transfer unit
hopped up
horizontal convergence circuit
horizontal phase shifter
horizontal-sync pulse
imperial chanceller
industrial pollution source
industrial telemetry
ionic detergent
k-rail
kepler equation
Laguna Atascosa National Wildlife Refuge
lipohistiodiaresis
local expenditure
low-level makeup
macro-axis
medical authorities
medical literature
menu input
murcias
Nord-Süd-Kanal
nutritional melalgia
open-studio
Ouija (board)
outboxing
pack house
Pavliani
people's procuratorate
phase volume
point of absolute zero
postmalarial
precision lowering mechanism
preparation-ointment
primary ectoderm
propylene-ethylene random copolymer
railway technology
recombine system
rhizoma acori graminei
rinky dink
rubber ducking
sandwich course
secotialess
self-checking circuit
self-twist yarn
she-woman
side gate bottom rail
sorenesses
Southwest Pt.
station-buildings
surface-to-underwater missile
Syntyche
terminal leaves
TFT (thin film technology)
torsion-balance
Totsukawa
transistor storage circuit
trithioformaldehyde
ultraweakly
under-represents
union three-way cock
unsparable
vapometallurgical process
Vena circumflexa iliaca superficialis
venae labialis superior
well-beddeds
zinc spar
zygosporangium