面泵浦液体激光装置

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(147) / 评论(0) 分类 VOA常速英语2008年(四月)

Hotel California Eagles On a dark desert highway, cool wind in my hair Warm smell of colitas rising up through the air Up ahead in the distance, I saw a shimmering light My head grew heavy, and my sig

发表于:2018-12-08 / 阅读(140) / 评论(0) 分类 最好听的50首英文歌曲

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(131) / 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(116) / 评论(0) 分类 VOA标准英语2014年(二月)

Episode ten is called Getting Ready for Bed and Going to Sleep. 第十集的标题是准备上床睡觉。 Lucy begins by saying that she is feeling pretty tired, or very tired, by 11:00 and decides to get ready for bed. 露西开始时说到11:00时,

发表于:2018-12-17 / 阅读(153) / 评论(0) 分类 ESL露西的一天

Passengers at Nanjing South Railway Station in Jiangsu Province can use facial recognition to have their tickets checked. A total of 1,000 facial recognition checkpoints are in use across China during this year's Spring Festival travel rush to stream

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 2018CRI中国国际广播电台

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(146) / 评论(0) 分类 2017年VOA慢速英语(七)月

20 Hot Technology Products at CES 2018 Each year, the Las Vegas consumer electronics show, or CES, is the place to be for examples of the latest developments in technology. The show this year is no different. So we have put together a list of some of

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 2018年VOA慢速英语(一)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(218) / 评论(0) 分类 2005年NPR美国国家公共电台

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(202) / 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(170) / 评论(0) 分类 2012年VOA慢速英语(一)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(155) / 评论(0) 分类 2014年VOA慢速英语(三)月

Worldwide Fight Against Malaria Appears to Succeed 在世界范围内抗击疟疾似乎有成功的趋势 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today we will tell about malaria and efforts

发表于:2019-01-12 / 阅读(109) / 评论(0) 分类 2014年VOA慢速英语(四)月

AUDIE CORNISH, HOST: Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for malarial infection would be extremely helpful in combating the disease. As NPR science correspond

发表于:2019-01-16 / 阅读(159) / 评论(0) 分类 2018年NPR美国国家公共电台5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(173) / 评论(0) 分类 VOA常速英语2007年(十一月)

介绍: smog 雾霾 mask 口罩、面膜 A mask is an object normally worn on the face, typically for protection, disguise(伪装), performance, or entertainment. gas mask 防毒面 oxygen mask 氧气面罩 air purifier /?pj?r?fa??r/ 空气净化器

发表于:2019-02-13 / 阅读(114) / 评论(0) 分类 英语俚语天天说

It has barely taken any time at all for Chinese counterfeiters to rip-off Apple's latest creation. 对中国的仿冒者们来说,山寨苹果的最新产品似乎不需要任何准备时间。 Fake versions of the Apple Watch can be bought for as

发表于:2019-02-14 / 阅读(149) / 评论(0) 分类 阅读空间

Hello to you, Im Creshon Saunders at the cnn.com news room in Atlanta. Here is a look at whats happening NOW IN THE NEWS. President Bush is in Iraq today for a surprise visit. Hes meeting with Iraqi leaders and will talk to U.S. troops. Its Mr. Bush

发表于:2019-02-16 / 阅读(238) / 评论(0) 分类 CNN2008年(十二)月

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 原版英语对话1000个

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-03-06 / 阅读(170) / 评论(0) 分类 英语趣味课堂
学英语单词
accolade
addo
advanced total capital
all-rod-out
antioxidant 330
archipenkoes
ARIMA model
balsam twig aphid
baseplate wax
bow loading and discharge arrangement
braking stiffness
burnt to a crisp
chemises
Chipundu
chorioidepithelioma
Chrysanthemum spatiosum
clairt
commutativities
Dardhas
dihedron group
dog-Latin
Drumcard
encyclopedia of sports
examination techniques
excitatory movement
exempted exchange
false data
fat tissue
flaked-out
formulary of peaceful benevolent dispensary
frequency-domain ip method
Furubira
gear tooth roughing cutter
glass-culture
Gomarite
gravogyro
heir by operation of law
helium-neon gas laser
heterostimulation
high resolution image spectrometer
hsz
hypermenorrhoea
hypothalamic diabetes insipidus
indulgent parents
intermediant
jollity
jus tertii
kohlenhydrate
laboratory value
letts
liquidi
low frequency oscillator
maintenance facility
measurement channel
minutes per scan
misguidedness
narrow-field scanning system
negative binominal distribution
one-touch operation
p150
Pezophaps
plate shaking mechanism
power operated conveying machine
pressure-swing cycle
program state
proprietor of a shop
pulmonary reserves
purkinje networks
radiation decomposition
rag pudding
reciprocal mass
rheumatic myocarditis
Ryjewo
Salsola L.
savings investment equilibrium
scga
self-containedly
sexavalency
Silay
silverhill
smsaskses-s
spin unit
spin-rate control
Strumpell's sign
syzygies
szent
thicknessing
Toilet Mummy
topical disease
triangle wire
triphenylphosphorus
tuning key
undeterredly
upper structure
utility pouch
Wabigoon L.
wave quelling oil
wild rubber plant
Woodland Park
xanthines
zero-order
zog machine