共焦雷射扫描显微镜

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(106) / 评论(0) 分类 VOA常速英语2008年(四月)

Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und

发表于:2018-12-08 / 阅读(95) / 评论(0) 分类 VOA标准英语2010年(一月)

[00:16.47]Haunted School House [00:22.48]闹鬼的校舍 [00:31.17]In the following weeks I saw many things [00:34.31]that would've normally unnerved me a bit. [00:38.06]I saw more ghosts than I can count. [00:41.42]More than I ever did in childhood. [00:

发表于:2018-12-11 / 阅读(94) / 评论(0) 分类 英语灵异故事

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(92) / 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(79) / 评论(0) 分类 VOA标准英语2014年(二月)

科学家们创造可触摸的虚拟影像 Motion recognition technology already allows users to command computer-controlled devices by waving a hand above a sensitive surface. 动作识别技术已使得用户能够通过挥手对电脑控制的设备

发表于:2018-12-16 / 阅读(89) / 评论(0) 分类 VOA标准英语2015年(九月)

The company has become a focal point that draws people at all times of the day and year. 贵公司成了时刻吸人眼球的焦点。 The company has become a focal point that draws people at all times of the day and year. 贵公司成了时刻吸人眼

发表于:2018-12-31 / 阅读(84) / 评论(0) 分类 玩转商务英语900句

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(106) / 评论(0) 分类 2017年VOA慢速英语(七)月

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 电信英语

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(167) / 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(148) / 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(116) / 评论(0) 分类 2012年VOA慢速英语(一)月

iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 VOA标准英语2013年(三月)

Scientists Create 'Touchable' Virtual Objects 科学家们创造可触摸的虚拟影像 Technology is already capable of tricking most of our senses ... laser holography can create three-dimensional images where nothing exists, stereo sound can surr

发表于:2019-01-14 / 阅读(81) / 评论(0) 分类 VOA标准英语2015年(四月)

最近又有大批的同学要赴英赴美读书,已经开启行前准备模式。或许很多同学会将重点转移至行李整理,同学见面等活动,却不知,此刻更为重要的是生活类词汇的积累。从上飞机的一刻起,

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 雅思英语

For example, the newly formed Global Manufacturing Solutions business will be a focal point of Rockwell Automation's core growth strategy. It will provide total cost of ownership solutions, such as asset and integration management and consulting serv

发表于:2019-01-17 / 阅读(124) / 评论(0) 分类 林超伦实战口译练习笔记

Buss Peterson, My roommate. When I first met Buss, all I heard about was that this kid from Ashville North Carolina was clearly unplayed against but he has never played against me then, so how do you come to be the player of the year? Is that some ty

发表于:2019-01-18 / 阅读(79) / 评论(0) 分类 偶像励志英语演讲

AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di

发表于:2019-01-30 / 阅读(245) / 评论(0) 分类 2006年慢速英语(四)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(126) / 评论(0) 分类 VOA常速英语2007年(十一月)

What do we know about the main venues being used for the summer Olympics? The famous Maracana will be acting as the city's Olympic stadium. Having opened in 1950 an estimated 200,000 people crammed in to watch Brazil lose 2-1 to Uruguay in the world

发表于:2019-02-21 / 阅读(108) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
accelerated test ratio
altithermal soil
angli
ankhus
basisternum
batten door
be promised to
bending vield point
beta-chain
betilles
boat necked
bring something to the boil
bring to the ladder
catalpol
Cengkau
chin straps
churning process
cockeyedly
continuous sheet storage
crusting soil
Curtis Institute of Music
cylinder flange
disproportioned
dive recovering brake
dominant feature
doublestranded RNA
earth burning
eigenpolarization
enteric nervous system
escape speed
external heating surface
Figuring the tail
fovea costalis inferior
gastroenterogram
Gigaquit
Haselbach
High Efficiency Video Coding
hydrochlorothiazides
hypasthenia
in gasp
initializing statement
initiating location
injury of teeth
insulating fiber material
inveline
isteel
jacket shoulderless crown
jossel
kalii
labyrinth teeth
lange-angle
light tractor
lip glosses
LIPM
liquid substance in bulk
Long Sand
make my appearance
Mandeb Strait
marsupion
material type
micellar colloid
micrologging
mmunotherapy
more liberal
mutacism
nervi phrenicus
non incremental cost
nonusable routine
NWL
OAO (on-line analog output)
off one's game
oil-ring
parahermanites avenolithis
Pasiputih
pivoting friction
planning island
pohlia propagulifera broth
primary filter
prostasis
rancho santa margarita
reset file
reticulosome(pollak & shorey 1964)
reume
rhombohedral system
ship's toal loss only
Sibley tent
silver-staining
soap mill
speed-setting device
states-of-affairs
steel-cored wire rope
superorganized
toado
tucks away
tv camera
undivertibly
United Nations Children's Fund
vertical tail
Villa Iris
white staff
zamias
zoophysiologists