音标:[ˌkraiəuˈdʒenik ˈleizə] ;
低温激光器

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(55) / 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(54) / 评论(0) 分类 2013年VOA慢速英语(二)月

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(62) / 评论(0) 分类 2017年VOA慢速英语(七)月

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(53) / 评论(0) 分类 2013年VOA慢速英语(五)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(72) / 评论(0) 分类 VOA常速英语2007年(十一月)

Topics: Movie: 2001: A Space Odyssey; Bozo the Clown; kind of versus so-so versus more or less; firm versus company; to get + participle Words: odyssey concurrently plot extra-terrestrial cryogenically frozen to read lips to sneak to coincide with cl

发表于:2019-02-23 / 阅读(37) / 评论(0) 分类 美语听力 English Cafe
学英语单词
active stage of rheumatic fever
ADDAS (automatic digital data assembly system)
adventitous shoot
Andamanese language
anterior interbody fusion
aprils
bakic
bear malice against
Benamaurel
better'n
bewailingly
Bidellite
biostitutes
Black Sabbath
brefonalol
C.C.S.
catch a plague
cell deviation
cleaning ditch
connectivity condition
credit squeeze measures
deep temproal veins
differential distance system
disillusionments
dromedary curve
dyaue
ferren
ferro-cement sluice
ferry coir
field-research
fixed-point temperature
gassy
gewain
hereditary functional
high-voltage current
histocompatability antigen
holodon
homewatches
ideal diameter
impressed power
injector manifold
inoculating hood
inspiratory muscles spasm
inspissatus
Kband
Kigilyakh, Mys
kine
Lagos (Ikeja) Airport
lasserane
leptodontiums
low-section tyre
machine-ages
manual-balance instrument
meat counters
microprogrammed
midship draft mark
mistles
Muret
mus phillipsi
neutron energy spec-trum
oxyphilae hylo-geophytica
P.V.C.
paratereseomania
Penzhina
positive electrode
positive ventilating
pressed electrode
procedural definition
project benefit
pseudocholine esterase
record of births
remanent stress
right hand shaving tool
S.D.N.Y.
Sar-e Pol, Velāyat-e
sasc
scored off
sea-launched cruise missile
search target
Sedergin
semiclosed interval
shotproof
sit loosely upon
Soluglaucit
south atlantics
specific weight meter
speechify
straight peenhammer
subpubic hernia
surface discontinuity
telecommunication laboratories (tl)
therapy of cutting with thread ligation
throw off circle
thysanopter
transferred electron device
two-input module
visceral crisis
voice-operated
waltzlike
were referred to as
wheel of fortune
working-level