激光器集合技术

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(138) / 评论(0) 分类 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

发表于:2018-12-16 / 阅读(122) / 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(106) / 评论(0) 分类 VOA标准英语2014年(二月)

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(二)月

每期节目一话题,让英语磨练耳朵的同时学到更多有益的小知识,丰富知识的同时受益于生活。 Time-management tips 时间管理技巧 Work around procrastination. 克服拖延症。 Try Francesco Cirillo's Pomodoro Te

发表于:2018-12-27 / 阅读(115) / 评论(0) 分类 英语听力广播—Listening

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(132) / 评论(0) 分类 2017年VOA慢速英语(七)月

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(460) / 评论(0) 分类 2017年VOA慢速英语(六)月

By David McAlary The U.S. space agency is planning to conduct its first completely automated rendezvous in space Tuesday. In a test of new technology, a spacecraft is scheduled to be launched to track

发表于:2019-01-03 / 阅读(137) / 评论(0) 分类 VOA2004(下)--健康科技

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr

发表于:2019-01-06 / 阅读(148) / 评论(0) 分类 英文语法词汇

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(207) / 评论(0) 分类 2005年NPR美国国家公共电台

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(217) / 评论(0) 分类 英汉幽默故事选读

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(183) / 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(155) / 评论(0) 分类 2012年VOA慢速英语(一)月

Like most twins, Scott Kelly says he and his brother, Mark, shared a lot as kids, even taking the same part-time jobs in high school. When we were 17 years old we worked for the same ambulance company. I think that at one point we even made pizzas to

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2010年(八)月

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(170) / 评论(0) 分类 VOA标准英语2008年(一月)

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(157) / 评论(0) 分类 VOA常速英语2007年(十一月)

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 趣味英语

The Federal Bureau of Investigation's secret method for unlocking the iPhone 5c used by one of the San Bernardino shooters will not work on newer models, FBI Director James Comey said. 美国联邦调查局局长詹姆斯科米近日表示,FBI用于破

发表于:2019-02-15 / 阅读(122) / 评论(0) 分类 英语新闻

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(158) / 评论(0) 分类 经济学人科技系列

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(133) / 评论(0) 分类 每天三分钟学英语
学英语单词
acephalostomus
acetal fibre
aerofoil boat
aminohexose
anthropology of maternity
antiknowledge
apprehendings
aqabas
arithmatically
associated graded module
automatic rifles
babblin'
be-altared
Beatle-esque
belt sheave
benzylidene(group)
blend together
blue eye
central decomposition
cisplanetary space
cobot
copper blast-furnace
cryert
dart-stepped leader
datagrams
deathist
Delphinidin-monoglueoside
dermal leishmaniasis
desnucleosis virus
disk parking
distribution cylinder
divergence field
djenkolic acid
drag profile
ducodal
endoproteolysis
english languages
enharmonic scale
ensorcel(l)
Epuivalent
Epworth Heights
face towels
facility type
for-old
Harpstedt
heaviest piece
hire on
Hirt stability analysis
hollow-forge
house father
human-aided
hurries along
hystrix cristat
imazs
immunoglobulin classes
impsonites
intercepting truck
jeremitaylorically
jet-pipe valve
Joule dissipation
kakutani
lateral funiculus
love-token
macnaughton
maximum backing pressure
meatus acusticus externus cartilagineus
melanconiaceous
milky way (niose source)
off-timest
okaloacoochee slough
power saver vokes rotor
Propontis
pseudo-edge
publicizes
realisation
recoverable resource
rutifolia
schwarzchild
sharksuckers
soil productivity
sovereignty over air space
spilites
spitz nevus(spindle and epithelioid cell nevus)
stalk lifter
sternnesses
strainer net
Stratocasters
structural homogenity
synoptic ideal
tap decode circuit
the opium of the people
three-dimensional search radar
train ready to start
trarsmembrane
trepidities
tv receiving system
undam
valcanized belt splice
vapour concentration
viola philippica cav.ssp.munda w.beck.
waveguide component and device
Zumbrota